Jackson Safety 14785 Curv-O-Mark #19 Multi-Trammel Heads

Ideal for reliable marking using standard 1/2" pipe, heads feature radius set points cast in alignment with marking pointers for easy setting. Equipped with 1/4" screws and squared on the back side of perpendicular alignment. The stationary head holds a 1/4" case hardened center point. Moveable head has a 1/8" steel scribe hardened to 59 rockwell. Marks from 1-1/2" circle to any diameter needed, depending on length of pipe used as a trammel bar. Allen wrench, soapstone, scribe and pointer are included.