Axminster Workshop Engineer's Trammel Heads

Pairs of trammel heads for the engineer. Clamped onto a rectangular bar and used to scribe arcs or circles of any size when marking out sheet work. The bodies are in rigid cast iron with steel points and clamps. Available in two sizes, for clamping onto 30mm or 40mm maximum sized rectangular bar stock. The points can be inclined for small work on the larger size.