- Professional Compass With Universal Adapter, Extension Beam For Math, Geometry, Art, Drafting And Drawing.
- Precision Geometry Compass With Spring Bow Head And Center Wheel Accompanied Quick Setting Adjustment With Push Button Mechanism Prevents Unintentional Leg Movements
- Packaged In A Clear, Reusable Pouch. Easy To Carry And Store
- Creates Circles up to 18 Inches in Diameter
- 10 Extra Lead, Spare Needle and Screws and Screw Driver