Trammel Points Beam Compass Fine Adjustment Pencil Holder
Scribe or draw unlimited sized arcs or circles using this trammel head set. Both heads can be attached to any 3/4" by 3/8" or smaller beam. Features hardened removable points, fine adjustment up to 5/8" and removable pencil holder.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov