6" Alvin Bow Compass with Adapter to Hold Pencils & Pens

6” bow compass with adapter made of fiberglass. The compass adapter ringhead and pivot gear design provide smooth adjustment up and down for the drawing or cutting tool inserted into it. The adapters wedge clamp holds technical pens, lead holders, pencils, ballpoints, cutting knives, and fine line markers and more. It is an excellent tool for drawing or cutting circles and arches. The compass center wheel adjustment is fast and precise. Color black enamel finish.