Starrett 435ME300 435ME-300 Comb Square 300mm (11.3/4in)
With reversible lock bolts, scriber, spirit level in both square head and protractor head, direct reading double 180° protractor scale and a hardened steel, machine-divided blade. Cast iron heads have a black wrinkle finish.
Blade size: 300 mm (12 in).
Graduation: 1/2 mm and 32nds one side, mm and 64ths reverse side.