Useful for laying out and scribing circles beyond the capacity of ordinary dividers. Clamping device firmly holds points, which can be replaced with a pencil.
The heads will accommodate any size beam from 19 to 38mm (3/4-1.1/2in) in width. Beam is not supplied. 2 Trammel heads, 2 small points 150mm (6in).
FH Trade Essentials 2018
FH uPVC Windows & Doors