434H Series Combination Squares, 4 1/2" x 12", Quick Read 64ths, Steel/Chrome

Reversible lock bolt allows blade to be turned over or end-for-end, without removing the lock bolt or nut. Multi-purpose uses include. 45° miter, depth gage, height gage, marking or scribing gage, a level, a plumb, and a precision rule. Spirit level in square and protractor heads. Forged and hardened steel square heads and center heads, cast iron protractor head with smooth black finish.