STARRETT - USA

Trammell heads are useful for scribing arcs and circles on large scale work where a set of dividers may not have their reach.

• 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