Professional Compass, Compass Geometry Set with Lock, Math and Precision Compass, Metal and Durable for Solid and Plane Precision Tool, Fit for Drafting, Drawing, Measuring
- PRECISION MATH COMPASS - Made for mathematical geometry and art drawing. Unique design to prevent slip while drawing.
- PRECISE ADJUSTMENT - The adjustment knob enables students to produce accurate geometric constructions. You can lock the compass in place and have it actually stay when writing.
- ADJUSTABLE SIZE - Maximum diameter up to 10 inches, minimum for 1/8 inch. You can draw all kinds of circles.
- ALL-METAL MATERIAL - Made from high quality parts and solid construction, durable enough to last for a long time. Three additional leads are easy to replace when needed.
