Categories
Online Shopping Blog
Today's Deals
Categories
Online Shopping Blog
Today's Deals
Categories
Online Shopping Blog
Today's Deals
Categories
Online Shopping Blog
Today's Deals
Best Set Square Plastic Large of 2026
Last updated on 05/06/2026
Advertising disclosure
Advertising disclosure
Most Relevant
Most Relevant
Best Discount
Lowest Price
Electronics
Home & Kitchen
Computers
Office Supplies
Toys & Games
Sports & Fitness
Home
Most Relevant
Most Relevant
Best Discount
Lowest Price
Best Choice
1
Speed Square Set, AivaToba 12 Inch Aluminum Alloy Metric Triangle Ruler, 12" Large Carpenters Square for Angle Measuring and Marking.
AivaToba
5% 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!
Show More
9.8
Exceptional
Check Price
9.8
Exceptional
AivaToba
Speed Square Set, AivaToba 12 Inch Aluminum Alloy Metric Triangle Ruler, 12" Large Carpenters Square for Angle Measuring and Marking.
5% 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
Value for Money
2
Speed Square Set, AivaToba 12 Inch Aluminum Alloy Metric Triangle Ruler, 12" Large Carpenters Square for Angle Measuring and Marking.
AivaToba
5% 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!
Show More
9.6
Superb
Check Price
9.6
Superb
AivaToba
Speed Square Set, AivaToba 12 Inch Aluminum Alloy Metric Triangle Ruler, 12" Large Carpenters Square for Angle Measuring and Marking.
5% 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
3
STAEDTLER 567 36-45 Mars Set Square, 36cm 45/45 Degree - Transparent (Pack of 1)
STAEDTLER
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
9.6
Superb
Check Price
9.6
Superb
STAEDTLER
STAEDTLER 567 36-45 Mars Set Square, 36cm 45/45 Degree - Transparent (Pack of 1)
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
4
Staedtler Mars 567 36-60 Set Square 36 cm 60/30 Degree - Blue
STAEDTLER
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
9.6
Superb
Check Price
9.6
Superb
STAEDTLER
Staedtler Mars 567 36-60 Set Square 36 cm 60/30 Degree - Blue
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
5
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
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
Show More
9.5
Superb
Check Price
9.5
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
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
Show More
6
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
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
Show More
9.5
Superb
Check Price
9.5
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
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
Show More
7
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
Includes triangle rulers for drafting and drawing, suitable for measuring and creating angles on paper surfaces
Made from acrylic plastic; rigid structure for consistent shape; transparent body for visibility during use
Hollow centre design for grip; lightweight construction for handling and portability, suitable for school and office use
Show More
9.4
Superb
Check Price
9.4
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
Includes triangle rulers for drafting and drawing, suitable for measuring and creating angles on paper surfaces
Made from acrylic plastic; rigid structure for consistent shape; transparent body for visibility during use
Hollow centre design for grip; lightweight construction for handling and portability, suitable for school and office use
Show More
8
STAEDTLER 567 31-60 Mars Set Square, 31 cm 60/30 Degree - Transparent Blue (Pack of 1)
STAEDTLER
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)
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
Liquidraw Adjustable Set Square 8" / 20 cm - Angle Line with Bevel Edge | Clear Acrylic with Sloped Edge | Durable Acrylic & Markings | Storage Pouch Included | Professional or DIY
Liquidraw
Why we love it
Versatile Size Options Available.
Durable Clear Acrylic Material.
Convenient Storage Pouch Included.
Main Highlights
ACCURATE ANGLES: Designed for clarity & control, this adjustable set square ensures accurate 90° & 45° angle markings; made from clear, sturdy acrylic, it is ideal for manual work that requires precision & perfection
MULTIPLE SIZES: Choose the size that best suits the project at hand with 4 options; choose from 20 cm, 25 cm, 30 cm, or 35 cm lengths to match your specific task needs
SEE-THROUGH: The 2.8 mm thick, transparent acrylic & bevel edge allows easy visibility when working with easy to read markings; no need to move the set square to see beneath; ideal for measuring
SCHOOL & WORK: Whether used for DIY, in a GCSE maths classroom or a professional construction workshop, this set square is a useful addition to any math set, drawing kit, or carpentry tool collection
WORKPLACE MATE: From measuring wood angles to drawing architectural plans, this square is ideal for joiners, builders, interior designers, carpenters, architects, engineers, student & woodworkers
Show More
9.1
Superb
Check Price
9.1
Superb
Liquidraw
Liquidraw Adjustable Set Square 8" / 20 cm - Angle Line with Bevel Edge | Clear Acrylic with Sloped Edge | Durable Acrylic & Markings | Storage Pouch Included | Professional or DIY
Check Price
Show More
Why we love it
Versatile Size Options Available.
Durable Clear Acrylic Material.
Convenient Storage Pouch Included.
Main Highlights
ACCURATE ANGLES: Designed for clarity & control, this adjustable set square ensures accurate 90° & 45° angle markings; made from clear, sturdy acrylic, it is ideal for manual work that requires precision & perfection
MULTIPLE SIZES: Choose the size that best suits the project at hand with 4 options; choose from 20 cm, 25 cm, 30 cm, or 35 cm lengths to match your specific task needs
SEE-THROUGH: The 2.8 mm thick, transparent acrylic & bevel edge allows easy visibility when working with easy to read markings; no need to move the set square to see beneath; ideal for measuring
SCHOOL & WORK: Whether used for DIY, in a GCSE maths classroom or a professional construction workshop, this set square is a useful addition to any math set, drawing kit, or carpentry tool collection
WORKPLACE MATE: From measuring wood angles to drawing architectural plans, this square is ideal for joiners, builders, interior designers, carpenters, architects, engineers, student & woodworkers
Show More
10
2piece Triangle Ruler Square Set 31cm 30/60 and 45/90 Degrees Measuring Tools for Classrooms Home Office, Transparent
Generic
33% Off
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
Show More
9.0
Superb
Check Price
9.0
Superb
Generic
2piece Triangle Ruler Square Set 31cm 30/60 and 45/90 Degrees Measuring Tools for Classrooms Home Office, Transparent
33% Off
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
Show More
