BABETT Drawing Compass Drafting Tools Professional Compass Compass Geometry Set with Math and Precision Compass Metal and Durable Solid and Flat Tools Math Ruler Kit
This compass set is suitable for architects, engineers, draftsmen, builders who often need to draw lines and shapes, suitable for students, teachers, designers, artists, etc.
Precision Math Compass - Made for mathematical geometry and artistic drawing. Unique design to prevent slippage when drawing. Dedicated Adjustments - Adjustment knobs enable students to produce precise geometries.
You can lock the compass in place and actually hold it while writing.
ALL METAL MATERIAL - Made of parts and a sturdy construction durable enough to last a long time. Three extra leads are easily replaced when needed.
Adjustable sizes up to 10" in diameter and 1/8" in minimum. You can draw all kinds of circles.
Stability: Compass with spring bow head and thumb wheel prevents accidental slides.
