Best Rulers Squares Protractors 2025

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Last Updated - 26.07.2025

Best Choice

01

DASHUAIGE

DASHUAIGE S27I Triangle Square Metric Blue, Acrylic

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9.7

Exceptional

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Wide Application The triangle ruler can be used as a protractor, miter, line writer, saw guide, framing square and a ruler, ideal for all construction and remodeling projects.
Unique Design The thick edge can be used directly with the saw against the square for cross sections or oblique cuts with the etched protractor scale, allowing you to quickly and accurately mark your cutting lines on your cheeks.
Package includes: you will receive a triangle ruler that has metric dimensions with clear, enough for all construction and remodeling projects, also woodworking hobbyists, artists & DIY lovers
Material The carpenter square is made of high quality aluminum alloy with blue matte finish to prevent glare, corrosion resistant and durable, not easy to break.
Easy to Use The triangle ruler checks angles quickly and easily. With clear and accurate scale, easy for you to read. a wider base that provides stable support.

9,99 €
02

flintronic

flintronic Carpenter's Square, 180 mm Protractor Try Square, 45 90 Degree Angle Try Square Metal, 5-in-1 Aluminium Angle for Precise Marking & Drawing, Multifunctional Carpenter's Square

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9.5

Excellent

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【SERVICE GUARANTEE】If there is a quality problem that cannot be used normally within 30 days, you can contact us to request a full refund. Satisfied customers are our service and purpose.
Wide applications: this woodworking angle can be used as a protractor, bar saw guide, construction angle, mitre, frame angle and ruler. It can also be used for measuring angles, control angles, saw guides, adjusting saw teeth and drawing circles, marking drawing boards.
Professional tools: Woodworking angle set is an exquisite tool for measuring and drawing, with 180 mm metric metal woodworking angle scale, precision according to industry regulations, with absolute 90 degree angle and precise scale. This woodworking angle set is marked on both sides. There are angles and scales, which makes the use more convenient for you.
Premium quality: This 18 mm carpenter's angle set is made of aluminium alloy, the construction of solid aluminium alloy is durable and the surface has a black baking colour, which can prevent oxidation and make it more durable. Multifunctional square ruler.
Practical and practical: with the square ruler set for woodworking, you can eliminate cumbersome measurements without having to carry many tools. It has angle holes in different sizes, which can help you complete the drilling work. This is a convenient and practical tool.

8,99 €
Value for Money

03

Westcott

Westcott E-10303 00 Maths Set, 4 Pieces, Transparent Plastic

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9.3

Excellent

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Transparent plastic.
Contents: Ruler 15 cm; set square 45°, 7 cm; set square 60°, 10 cm; protractor 180°, 10 cm.
4-piece Maths Set

1,01 €
04

Linex

Linex Geometry Set with Compass, Pencil, Eraser, Sharpener, Protractor, Set Square, Ruler and Storage Case Metal Box

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9.2

Excellent

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This 10 piece math set is ideal for geometry and math lessons
The perfect set for home, school or office
Includes two metal compasses, two set squares (45° and 30°/60°), a 6 inch ruler, a 4 inch protractor, a pen for the compass, a writing template, a sharpener and an eraser
Durable metal compass is reliable and will not bend during use with ergonomic handle
Comes with a reusable, durable metal case that allows you to store and transport the set safely and neatly, perfect for easy storage and transportation

5,99 €
05

Newaner

Newaner 180 mm Carpenter's Square, Metric Triangle Ruler Made of Aluminium, 90 Degree Thickened Triangle Protractor, High Precision Carpenter's Angle for Carpenter, Roofer, Engineer (Black)

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9.1

Excellent

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Wide application groups: Carpenter's triangles are suitable as a cutting guide for woodworking, frames, protractors, mitres, liners, saw guides, brackets and edges in woodworking, for the production of furniture and construction models, very suitable for all constructions and refurbishment projects.
Unique craft design: in the middle of the carpenter triangle there are hollow auxiliary graphic frames that allow you to quickly draw lines and graphics on the wooden board, and the practical T-shaped fixed edge can be attached to the wooden board, so you can easily make horizontal or beveled cuts without moving left and right. Improve cutting accuracy.
Precise measuring tool: the carpenter's triangle has a measuring range of 0-180 mm, on the front and back of the triangular ruler there are hooks, and the hooks are clear and precise, which can provide you with accurate measurement results
Multi-measuring functions: Carpenter triangular can not only measure the length, but also quickly determine the angle of 0-90 degrees. On the front of the triangle ruler there is also a quick conversion chart that allows you to save time and improve work efficiency.
High-quality material: Made of high-quality aluminium alloy, high hardness, matte black colour, good workmanship, effectively prevents strong light reflection, not easy to rust and wear, not easy to break, sturdy and durable. The corners of the triangle are passivated, so you don't have to worry about scratching your hands.

7,49 €
06

Amazon Basics

Amazon Basics 10 Piece Maths Compass, Pencil, Eraser, Sharpener, Protractor, Set Squares, Ruler and Storage Case

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10% Off
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

This 10 piece math set is ideal for geometry and math lessons
Includes two metal compasses, two set squares (45° and 30°/60°), a 6 inch ruler, a 4 inch protractor, a pen for the compass, a sharpener, a pen refill and an eraser
Durable metal compass is reliable and will not bend during use with ergonomic handle
Comes with a reusable, durable storage case that allows you to store and transport the set safely and neatly

6,06 € 6,80 €(10% Off off)
07

Arcjunys

Math Set, Geometry Set, Protractor and Compass Set with Metal Box, Drawing Compass with Rulers, Math Compass Set for Class Supplies and School, 9 Pieces

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8.8

Very Good

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Package includes 9 pieces: 1 compass, 1 ruler (6 inch), 1 set square(45°), 1 set square(30°/60°), 1 protractor (4 inch), 1 eraser, 1 manual pencil sharpener, 1 metal box, 1 pencil for protractor
HIGH QUALITY TOOL SETS The metal compass is sturdy and durable, not easy to bend or break. Protractors ensure precise angles and circles and improve the quality of your work
Convenient and Portable The compass geometry tool comes in a specially designed iron box, which provides convenient storage and easy transportation. Can be used at school, office, home or work
APPLICATION This protractor and compass set is perfect for teachers, designers, math experts, architects, carpenters, engineers and artists at any level. It is a perfect gift for family and friends
A practical compass geometry set: the metal compass does not bend, the ergonomically shaped compass head is comfortable in the hand, providing a stable and precise drawing experience without slipping

4,95 €
08

JEYORZY

JEYORZY Set of 3 Protractors, Set Square Triangle, Circle Protractor, 360 Degree, Ruler Made of Plastic, Transparent Protractor, Office Maths School Set, Stationery for Students, Geometry Tools

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8.6

Very Good

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Product contents: you will receive 3 different types of circle template, which are triangle, full circle and semicircle, and the colour of the full circle protractor, red and blue are sent randomly.
Ideal drawing tool: set square can be easily used as a professional tool for learning at school, also a great math tool for office school supplies, also suitable for classroom, office, home, technology, etc.
High quality: set square made of high-quality plastic; the clear colour allows you to see words, letters and numbers clearly through the protractor. Lightweight, easy to carry and does not take up much space.
Features: good design: circular template, unique swivel mechanism and transparent design. The rocker arm provides a straight guide for marking corners. Beautiful and simple. Can be used as a gift for school children and friends
Easy to draw and adjust: protractor small, lightweight and easy to store. The bright color makes it easy to measure and you can see the numbers and letters on the page through the protractor.

4,49 €
09

KEYROAD

School Ruler Set - Ruler 20 cm - 45° Angle - 60° - Protractor 180° - Robust Plastic Material - Keyroad

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

School Material This complete ruler set is made of durable and transparent plastic. Thanks to its lightness, it is perfect for carrying in your backpack when you accept technical drawings or need precise measurements.
Ruler 20 cm: with scale in centimeters allows you to accurately measure up to a maximum size of 20 cm. Although intended as school supplies, it also fits profiles such as designers, artists, technical drawing students.
KEYROAD: We specialize in using high quality materials and ergonomic designs in each of our school products. This has developed us into one of the best manufacturers and distributors in the world since the start of 2008.
Drawing and cards - This school ruler set has a 45° set square and a 60° drawing triangle. Perfect for drawing precise lines, measuring distances and calculating angles by graduating in centimetres.
ANGLE TRANSPORTER Our 180° protractor is the piece that must not be missing in this drawing ruler set. Also in centimeters, balanced with 9 in the middle and 8 cm on each side.

1,50 €
10

JIANTA

JIANTA Set Square with Handle, 4 Pieces Drawing Triangle Protractor 2 Functions 14 cm Ruler Ruler Made of Plastic Transparent Rrotractor Shatterproof Office Maths School Set Stationery for Students

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8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Size: geometric triangle ruler size: 16 x 11 cm, suitable size, easy to carry and store, light weight, can be put in school bags, stationery boxes, etc., does not take up space.
Quantity: you will receive 4 set squares with a scale with coloured background. Can be used for accurate measurements and provides enough replacement for different purposes.
Multifunctional: the triangles combine length and angle measurement in one tool and reduce the need to carry multiple tools with you, and allow precise drawing of lines and graphics.
Material: made of high-quality, transparent plastic, the triangles are durable and not easy to break, with a smooth surface, a clear scale and an accurate measurement.
Choice of gifts: Set square is perfect for teachers, students, mathematicians, engineers, designers, artists, etc. It is also the perfect gift for family and friends.

4,59 €