Improved Trammel Head

• Cast-Iron Bodies
• 50A has an adjustable point for increased precision.
• Through hardened steel divider points..
• Reversible lock bolt allows choice of which graduated side of the blade faces the operator.
• Protractor heads are made of stable cast iron and finished with a choice of attractive black wrinkle finish or smooth black finish.
• Tempered steel blades with accurate, machine-divided graduations.
• A spirit level indicates when the base reference surface is level - a feature not usually available on comparable protractors.
• The heads are die cast with black wrinkle finish and have hardened, forged steel divider points.
• The points screw into the heads.
• Has an adjustable point.
• Point Size (in): 3, 2-1/2"
• Point Size (mm): 75, 63mm