Advanced Math Compass With Lead Refill

This STAEDTLER geometry compass delivers exceptional accuracy for students and technical drawing enthusiasts. The all-metal construction features sand-blasted, nickel-plated components and a center wheel for precise adjustments. With its universal metal adapter and hinged legs, this drafting compass creates precise circles up to 10-1/4 inches. The ergonomic design includes a nonslip grooved grip and comes complete with spare 2mm lead, making it an essential back-to-school tool for advanced geometry and technical drawing classes.