1.This compass geometry set includes 4 easy-to-use geometry compass, perfect student tools 2.Multipurpose: This pencil compass and protractor set makes an excellent addition to classrooms, offices, studios, and homes 3.Easy To Adjust: Legs measure 18 inches long and can hold markers or chalk with ease. 4.Suitable For: Made for mathematical geometry and art drawing. especially for repeat measurements or drawing arcs and circles. 5.With Suction Pad: The suction pad within the joint helps to lock the dividers in place to accuracy while drawing. Color: Orange Material: plastic Package Contents: 4 x Math Compass Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.