11H Series Combination Squares, 4 1/2 x 12, 1/64 in @ 1 in 64ths, Iron/Steel

Multi-purpose uses include: 45 deg. miter, depth gage, height gage, marking or scribing gage, a level, a plumb, and a precision rule Spirit Level Reversible lock bolt allows blade to be turned over or end-for-end, without removing the lock bolt or nut Steel scriber Hardened, machine divided graduations, blade