Material: plastic.

Color: clear.

45 degree ruler measurement: 12cm and 18cm，30/60 degree ruler measurement: 11cm and 18cm.

Great drawing tool for school or office.

High-quality material: the set square is constructed of plastic material, durable and sturdy. Translucent color allows for a clear view of numbers and letters on the page

With hollow center: the triangle hollow makes it easy to grip and student can use this hollow to draw triangle

Wide application: the rulers with right-angle are useful tools for architects, engineers, artists, designers, students, teacher, etc

Etched With Easy To Read Inch And Centimeter Measurements

Transparent Color For Better Visibility

Large Clear Triangles, High Quality And Sturdy, Protractor Center Cut Out

Package Includes: One 45 Degree Set Square, And One 30/60 Set Square