High Quality Professional Compass/Divider For Math, Geometry, Art, Drafting And Drawing, Creates Circles Up To 8 Inches In Diameter Precision Geometry Compass With Spring Bow And Center Wheel Prevents Unintentional Leg Movements Packaged In A Clear, Reusable Pouch. Easy To Carry And Store colour: Blue + black material: metal size: 155mm Package Contents: 2 set *Spring metal compass Only the above package content, other products are not included. Note: Light 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. Precision Geometry Compass With Spring Bow And Center Wheel Prevents Unintentional Leg Movements Packaged In A Clear, Reusable Pouch. Easy To Carry And Store High Quality Professional Compass/Divider For Math, Geometry, Art, Drafting And Drawing, Creates Circles Up To 8 Inches In Diameter