Professional compass/frequency divider, suitable for woodworking, woodworking, metal processing, leather processing, mathematics, etc.The compass foot is 8 inches long and can draw a between 1-1/2Designed with a pencil holder, you can easily change the pencil for sharpening (not including pencil).Can be used as a scribe or divider to quickly measure length and copy measured values.The lockable sliding nut design allows quick leg adjustments and repeated measurements.Material:Carbon steelcolour:silverPackage Contents:1 * Only the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.