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Today's Deals
Best Set Square Plastic Large of 2026
Last updated on 08/03/2026
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Office Supplies
Measuring Tools
Rulers
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1
2piece Triangle Ruler Square Set 31cm 30/60 and 45/90 Degrees Measuring Tools for Classrooms Home Office, Transparent
Generic
Why we love it
Durable polystyrene material ensures longevity.
Protractor feature enhances measuring accuracy.
Versatile for classroom and home use.
Main Highlights
Size - 2 pieces of large clear triangle rulers, one of the right-angle sides of the 45/90-degree ruler is 30.5cm/12.2 inch and 21.5cm/8.5 inch; the 30/60 degree ruler has a longer bevel side of 31cm/12 inch long and the shorter right-angle side is 17cm/7 inch
Material - The triangle rulers are made of polystyrene plastic, durable, not easy to break for using a long time. They can be placed in your pencil case, or on the office desk to save space
Feature - The hollow center of 45/ 90 degrees triangle is a protractor that can be applied to measure 0-180 degrees, and the scale is accurate to 1 degree, helping you to quickly measure the value.
Application - The measuring ruler kits can use them to measure, and draw geometric figures, etc., providing you with large convenience, suitable for a variety of applications in classrooms, offices, and homes, for artists, designers, architects, engineers and so on.
Package Includes - 1 x 45/ 90 Degrees triangle ruler, 1 x 30/ 60 Degrees triangle ruler
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9.8
Exceptional
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9.8
Exceptional
Generic
2piece Triangle Ruler Square Set 31cm 30/60 and 45/90 Degrees Measuring Tools for Classrooms Home Office, Transparent
Check Price
Show More
Why we love it
Durable polystyrene material ensures longevity.
Protractor feature enhances measuring accuracy.
Versatile for classroom and home use.
Main Highlights
Size - 2 pieces of large clear triangle rulers, one of the right-angle sides of the 45/90-degree ruler is 30.5cm/12.2 inch and 21.5cm/8.5 inch; the 30/60 degree ruler has a longer bevel side of 31cm/12 inch long and the shorter right-angle side is 17cm/7 inch
Material - The triangle rulers are made of polystyrene plastic, durable, not easy to break for using a long time. They can be placed in your pencil case, or on the office desk to save space
Feature - The hollow center of 45/ 90 degrees triangle is a protractor that can be applied to measure 0-180 degrees, and the scale is accurate to 1 degree, helping you to quickly measure the value.
Application - The measuring ruler kits can use them to measure, and draw geometric figures, etc., providing you with large convenience, suitable for a variety of applications in classrooms, offices, and homes, for artists, designers, architects, engineers and so on.
Package Includes - 1 x 45/ 90 Degrees triangle ruler, 1 x 30/ 60 Degrees triangle ruler
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Value for Money
2
Pack of 2 Large Transparent Metric Triangle Ruler Set Square: 30 CM (12 Inch) - 30/60 Degree & 22 CM (9 inch) 45/90 Degree | Essential for School and Work use (CM Scale)
Yosogo
Why we love it
Accurate for precise measurements.
Lightweight and easy to carry.
Durable and cost-effective design.
Main Highlights
✅【ACCURATE】: Our high quality triangle metric set squares are made out of acrylic plastic which improves stability and accuracy when drafting or drawing. With its laser-etched markings that won’t fade or rub off, you can see the numbers clearly and be assured of sharp graduation and precise scale.
✅【EASY TO USE】: These large triangle rulers are easy to grip with its hollow cut out centres and easy to use on any surfaces. The black-on-blue design eases distinction of lines and numbers so you can read comfortably, preventing unnecessary eye strain. In addition, these lightweight square sets are only half the weight of a glass which makes it easy for you to carry around for school and work.
✅【WIDE APPLICATION】: Our acrylic triangle set square rulers are highly useful tools for both school and work. These are suitable for architects, engineers, drafting technicians, artists, designers, students, teachers and more professional and precise applications.
✅【VALUE FOR MONEY】: These set square triangle rulers are made out of plastic so that they are not only light-weighted but affordable. On top of that, they are shatterproof with up to 17 times more impact resistance compared to ordinary glass, making them last longer and worth your money.
✅【A LOT OF HAPPY CUSTOMERS】: We have had many happy customers which have made us a professional’s choice for drafting tools and drawing supplies for many years now. It could mean a lot to us if you could let us bridge the gap for you between ideas and innovations. If for any reason you are having trouble with these set squares; please contact us online, and we will make things right.
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9.6
Superb
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9.6
Superb
Yosogo
Pack of 2 Large Transparent Metric Triangle Ruler Set Square: 30 CM (12 Inch) - 30/60 Degree & 22 CM (9 inch) 45/90 Degree | Essential for School and Work use (CM Scale)
Check Price
Show More
Why we love it
Accurate for precise measurements.
Lightweight and easy to carry.
Durable and cost-effective design.
Main Highlights
✅【ACCURATE】: Our high quality triangle metric set squares are made out of acrylic plastic which improves stability and accuracy when drafting or drawing. With its laser-etched markings that won’t fade or rub off, you can see the numbers clearly and be assured of sharp graduation and precise scale.
✅【EASY TO USE】: These large triangle rulers are easy to grip with its hollow cut out centres and easy to use on any surfaces. The black-on-blue design eases distinction of lines and numbers so you can read comfortably, preventing unnecessary eye strain. In addition, these lightweight square sets are only half the weight of a glass which makes it easy for you to carry around for school and work.
✅【WIDE APPLICATION】: Our acrylic triangle set square rulers are highly useful tools for both school and work. These are suitable for architects, engineers, drafting technicians, artists, designers, students, teachers and more professional and precise applications.
✅【VALUE FOR MONEY】: These set square triangle rulers are made out of plastic so that they are not only light-weighted but affordable. On top of that, they are shatterproof with up to 17 times more impact resistance compared to ordinary glass, making them last longer and worth your money.
✅【A LOT OF HAPPY CUSTOMERS】: We have had many happy customers which have made us a professional’s choice for drafting tools and drawing supplies for many years now. It could mean a lot to us if you could let us bridge the gap for you between ideas and innovations. If for any reason you are having trouble with these set squares; please contact us online, and we will make things right.
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3
Staedtler Mars 567 36-60 Set Square 36 cm 60/30 Degree - Blue
STAEDTLER
22% Off
Why we love it
Sleek translucent blue design.
Convenient inking edge feature.
Precise calibrated measurements in mm.
Main Highlights
Design includes inking edge
Made from plastic
Scale begins directly at the edge
Available in translucent blue colour
Calibrated in mm
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9.6
Superb
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9.6
Superb
STAEDTLER
Staedtler Mars 567 36-60 Set Square 36 cm 60/30 Degree - Blue
22% Off
Check Price
Show More
Why we love it
Sleek translucent blue design.
Convenient inking edge feature.
Precise calibrated measurements in mm.
Main Highlights
Design includes inking edge
Made from plastic
Scale begins directly at the edge
Available in translucent blue colour
Calibrated in mm
Show More
4
Liquidraw Geometry Set - 5 Piece | 2 x Set Square Triangle Ruler, Semi Circle Protractor, Circle Protractor, 12" Ruler | Professional Quality | Work or School Supplies | Mm & Inch Markings | Clear
Liquidraw
9% Off
Why we love it
Durable and precise measurement tools.
Versatile for various geometric tasks.
Easy-to-read dual markings.
Main Highlights
MATHS KIT ESSENTIALS: This stationery set has all the tools required for professional use in the workplace; it also contains essential supplies for learning geometry or advanced maths or science at college, university or school
5 PIECE SET: This kit includes 1 x set square 45° 25cm / 10", 1 x set square 60° 30cm / 12", 1 x semi circular protractor 180°, 1 x circle protractor 360° / 5.5" & 1 x 12" ruler in clear, transparent plastic
MM & INCHES: With markings in inches & millimetres (easily convertible to centimetres), this set provides accurate & precise measurements with every use, perfect for school, work or art & design
DURABLE & TRANSPARENT: Made from strong, clear plastic, these tools allow you to see the page or work surface below; they are long-lasting, designed to resist bending or cracking for everyday use
EASY TO TRANSPORT: Each item in this lightweight set is 2.9 mm thick, light & portable; easy to carry in a bag, pencil case or tool set box; this set is ideal for secondary school students, architecture students, artists & more
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9.6
Superb
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9.6
Superb
Liquidraw
Liquidraw Geometry Set - 5 Piece | 2 x Set Square Triangle Ruler, Semi Circle Protractor, Circle Protractor, 12" Ruler | Professional Quality | Work or School Supplies | Mm & Inch Markings | Clear
9% Off
Check Price
Show More
Why we love it
Durable and precise measurement tools.
Versatile for various geometric tasks.
Easy-to-read dual markings.
Main Highlights
MATHS KIT ESSENTIALS: This stationery set has all the tools required for professional use in the workplace; it also contains essential supplies for learning geometry or advanced maths or science at college, university or school
5 PIECE SET: This kit includes 1 x set square 45° 25cm / 10", 1 x set square 60° 30cm / 12", 1 x semi circular protractor 180°, 1 x circle protractor 360° / 5.5" & 1 x 12" ruler in clear, transparent plastic
MM & INCHES: With markings in inches & millimetres (easily convertible to centimetres), this set provides accurate & precise measurements with every use, perfect for school, work or art & design
DURABLE & TRANSPARENT: Made from strong, clear plastic, these tools allow you to see the page or work surface below; they are long-lasting, designed to resist bending or cracking for everyday use
EASY TO TRANSPORT: Each item in this lightweight set is 2.9 mm thick, light & portable; easy to carry in a bag, pencil case or tool set box; this set is ideal for secondary school students, architecture students, artists & more
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5
Speed Square Set, AivaToba 12 Inch Aluminum Alloy Metric Triangle Ruler, 12" Large Carpenters Square for Angle Measuring and Marking.
AivaToba
15% Off
Why we love it
Precision measuring made easy.
Durable, high-quality construction.
Versatile for various projects.
Main Highlights
【Multifunctional 12" carpenters square】: This 12-inch carpenters square has an angle measurement range of 0 - 90 ° ; Included conversion table can improve your working efficiency; Front and back scales are clear and accurate, which can provide you with precise measurement results.
【Uniquely designed large speed square】: The hollow auxiliary graphic frame in the middle of the rafter square can be used to quickly draw lines and graphs on the board, and the base holds the triangle stable on the board, allowing you to easily make horizontal or bevelled cuts to improve the precision of your cuts.
【High-quality 12 inch triangular square】: Made of high quality aluminium alloy, high hardness, matte black paint, good finish, effectively preventing strong light reflection, sturdy and durable, not easy to rust and wear, not easy to break. The corners of the carpenters square are passivated, no need to worry about scratching your hand.
【Widely Used 12" set square】: Carpenters square can be used in carpentry and decorative industries, handyman, etc.; It can also be widely used for design drawing, direct cutting, decorative design, angle measurement, material mechanical measurement, office use.
【Creative Gifts for engineers】: This rafter square tool makes your work easier, less time-consuming and more convenient, making it an ideal craft gift. Both professionals and DIY enthusiasts will love it!
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9.5
Superb
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9.5
Superb
AivaToba
Speed Square Set, AivaToba 12 Inch Aluminum Alloy Metric Triangle Ruler, 12" Large Carpenters Square for Angle Measuring and Marking.
15% Off
Check Price
Show More
Why we love it
Precision measuring made easy.
Durable, high-quality construction.
Versatile for various projects.
Main Highlights
【Multifunctional 12" carpenters square】: This 12-inch carpenters square has an angle measurement range of 0 - 90 ° ; Included conversion table can improve your working efficiency; Front and back scales are clear and accurate, which can provide you with precise measurement results.
【Uniquely designed large speed square】: The hollow auxiliary graphic frame in the middle of the rafter square can be used to quickly draw lines and graphs on the board, and the base holds the triangle stable on the board, allowing you to easily make horizontal or bevelled cuts to improve the precision of your cuts.
【High-quality 12 inch triangular square】: Made of high quality aluminium alloy, high hardness, matte black paint, good finish, effectively preventing strong light reflection, sturdy and durable, not easy to rust and wear, not easy to break. The corners of the carpenters square are passivated, no need to worry about scratching your hand.
【Widely Used 12" set square】: Carpenters square can be used in carpentry and decorative industries, handyman, etc.; It can also be widely used for design drawing, direct cutting, decorative design, angle measurement, material mechanical measurement, office use.
【Creative Gifts for engineers】: This rafter square tool makes your work easier, less time-consuming and more convenient, making it an ideal craft gift. Both professionals and DIY enthusiasts will love it!
Show More
6
OX Trade 2pc Rafter Square Set – 180mm & 300mm, Heavy Duty ABS Plastic Roofing & Carpentry Squares with Easy-Read Graduations & Wide Base for Accurate Marking, Cutting & Saw Guide Use, OX-T433702
OX Tools
5% Off
Why we love it
Versatile measurements for carpentry.
Heavy-duty ABS plastic construction.
Clear, well-defined gradations.
Main Highlights
Set of Two: The OX Trade Plastic Rafters Square Set includes two squares (180mm and 300mm), for versatile measurements in carpentry and roofing projects.
Made from heavy-duty ABS plastic: To ensure durability and longevity, making the roofing rafter square suitable for use in demanding construction environments.
Easy to Read Gradations: Clear and well-defined markings on the square allow for accurate measurements and angle markings in carpentry and roofing tasks.
Wide Base for Stability & Saw Guide Use – The broad base holds firmly against timber and sheet materials, providing stability during marking and cutting, and doubles as a reliable saw guide for straight, consistent cuts.
Applications: Ideal for framing, angle marking, squaring, and layout work. A must-have measuring set for carpenters, joiners, roofers, and DIY enthusiasts seeking precision and reliability.
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9.5
Superb
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9.5
Superb
OX Tools
OX Trade 2pc Rafter Square Set – 180mm & 300mm, Heavy Duty ABS Plastic Roofing & Carpentry Squares with Easy-Read Graduations & Wide Base for Accurate Marking, Cutting & Saw Guide Use, OX-T433702
5% Off
Check Price
Show More
Why we love it
Versatile measurements for carpentry.
Heavy-duty ABS plastic construction.
Clear, well-defined gradations.
Main Highlights
Set of Two: The OX Trade Plastic Rafters Square Set includes two squares (180mm and 300mm), for versatile measurements in carpentry and roofing projects.
Made from heavy-duty ABS plastic: To ensure durability and longevity, making the roofing rafter square suitable for use in demanding construction environments.
Easy to Read Gradations: Clear and well-defined markings on the square allow for accurate measurements and angle markings in carpentry and roofing tasks.
Wide Base for Stability & Saw Guide Use – The broad base holds firmly against timber and sheet materials, providing stability during marking and cutting, and doubles as a reliable saw guide for straight, consistent cuts.
Applications: Ideal for framing, angle marking, squaring, and layout work. A must-have measuring set for carpenters, joiners, roofers, and DIY enthusiasts seeking precision and reliability.
Show More
7
STAEDTLER 567 36-45 Mars Set Square, 36cm 45/45 Degree - Transparent (Pack of 1)
STAEDTLER
34% Off
Why we love it
Inking edge adds precision.
Durable plastic construction.
Translucent blue for visibility.
Main Highlights
Design includes inking edge
Made from plastic
Scale begins directly at the edge
Available in translucent blue colour
Calibrated in mm
Show More
9.4
Superb
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9.4
Superb
STAEDTLER
STAEDTLER 567 36-45 Mars Set Square, 36cm 45/45 Degree - Transparent (Pack of 1)
34% Off
Check Price
Show More
Why we love it
Inking edge adds precision.
Durable plastic construction.
Translucent blue for visibility.
Main Highlights
Design includes inking edge
Made from plastic
Scale begins directly at the edge
Available in translucent blue colour
Calibrated in mm
Show More
8
STAEDTLER 567 31-60 Mars Set Square, 31 cm 60/30 Degree - Transparent Blue (Pack of 1)
STAEDTLER
7% Off
Why we love it
Transparent blue for clear visibility.
Scale starts at the edge.
Precise measurements in millimeters.
Main Highlights
Plastic, transparent blue
With inking edge
Scale begins directly at the edge
567 31-60
Calibrated in mm
Show More
9.3
Superb
Check Price
9.3
Superb
STAEDTLER
STAEDTLER 567 31-60 Mars Set Square, 31 cm 60/30 Degree - Transparent Blue (Pack of 1)
7% Off
Check Price
Show More
Why we love it
Transparent blue for clear visibility.
Scale starts at the edge.
Precise measurements in millimeters.
Main Highlights
Plastic, transparent blue
With inking edge
Scale begins directly at the edge
567 31-60
Calibrated in mm
Show More
9
STAEDTLER 567 26-45 Mars Set Square, 25 cm 45/45 Degree - Transparent (Pack of 1)
STAEDTLER
Why we love it
Stylish inking edge design.
Durable plastic material used.
Translucent blue for visibility.
Main Highlights
Design includes inking edge
Made from plastic
Scale begins directly at the edge
Available in translucent blue colour
Calibrated in mm
Show More
9.1
Superb
Check Price
9.1
Superb
STAEDTLER
STAEDTLER 567 26-45 Mars Set Square, 25 cm 45/45 Degree - Transparent (Pack of 1)
Check Price
Show More
Why we love it
Stylish inking edge design.
Durable plastic material used.
Translucent blue for visibility.
Main Highlights
Design includes inking edge
Made from plastic
Scale begins directly at the edge
Available in translucent blue colour
Calibrated in mm
Show More
10
2 PCS Triangle Ruler Square Set 18cm, 16cm 30/60 and 45/90 Degrees Measuring Tools for Classrooms Home Office, Transparent, ruler set
Generic
Why we love it
Durable polystyrene material ensures longevity.
Compact design saves desk space.
Accurate protractor for precise measurements.
Main Highlights
Package Includes - 1 x 45/ 90 Degrees triangle ruler, 1 x 30/ 60 Degrees triangle ruler, 2PCS.
Size - 2 pieces of large clear triangle rulers, one of the right-angle sides of the 45/90-degree ruler is 16cm/6.3 inch and 12cm/4.7 inch; the 30/60 degree ruler has a longer bevel side of 18cm/7 inch long and the shorter right-angle side is 10cm/4 inch.
Material - The triangle rulers are made of polystyrene plastic, durable, not easy to break for using a long time. They can be placed in your pencil case, or on the office desk to save space.
Feature - The hollow center of 45/ 90 degrees triangle is a protractor that can be applied to measure 0-180 degrees, and the scale is accurate to 1 degree, helping you to quickly measure the value.triangle ruler
Application - The measuring ruler kits can use them to measure, and draw geometric figures, etc., providing you with large convenience, suitable for a variety of applications in classrooms, offices, and homes, for artists, designers, architects, engineers etc.
Show More
9.0
Superb
Check Price
9.0
Superb
Generic
2 PCS Triangle Ruler Square Set 18cm, 16cm 30/60 and 45/90 Degrees Measuring Tools for Classrooms Home Office, Transparent, ruler set
Check Price
Show More
Why we love it
Durable polystyrene material ensures longevity.
Compact design saves desk space.
Accurate protractor for precise measurements.
Main Highlights
Package Includes - 1 x 45/ 90 Degrees triangle ruler, 1 x 30/ 60 Degrees triangle ruler, 2PCS.
Size - 2 pieces of large clear triangle rulers, one of the right-angle sides of the 45/90-degree ruler is 16cm/6.3 inch and 12cm/4.7 inch; the 30/60 degree ruler has a longer bevel side of 18cm/7 inch long and the shorter right-angle side is 10cm/4 inch.
Material - The triangle rulers are made of polystyrene plastic, durable, not easy to break for using a long time. They can be placed in your pencil case, or on the office desk to save space.
Feature - The hollow center of 45/ 90 degrees triangle is a protractor that can be applied to measure 0-180 degrees, and the scale is accurate to 1 degree, helping you to quickly measure the value.triangle ruler
Application - The measuring ruler kits can use them to measure, and draw geometric figures, etc., providing you with large convenience, suitable for a variety of applications in classrooms, offices, and homes, for artists, designers, architects, engineers etc.
Show More
