Ball Bearing Compass with Safety Pointed Tip, 12" Maximum Diameter, Silver, Dozen

• Ball bearing control creates accurate circles up to 12" in diameter.
• Features an inch and centimeter guide for precise circles every time.
• Standard and metric circle guide.
• Features a positive pencil lock and pencil.
• Standard compass has a sharp point.
• Safety pouch helps protect pencil point and spike tip on standard compass.
• Safety compass features a shortened point for extra safety.
• Compasses are ideal for all geometry, math classes and drafting.
• Nickel plated steel.
• Calibrated arc for absolute accuracy.