2piece Triangle Ruler Square Set 18cm, 16cm 30/60 and 45/90 Degrees Measuring Tools for Classrooms Home Office, Transparent

• 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
• 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

1. 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. 2. 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. 3. Transparent color allows for a clear view of numbers and letters on the page. With the clear math ruler, you can measure an object easily. 4. 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.