Starrett 236HB Depth + Angle Gauge

Head is made of hardened steel, ground, and nicely polished - 2-5/8" (66mm) long and 1/8" (3mm) wide The centre of the head is recessed so that the tool will lay fl at to permit more accurate measurements A tempered rule that has been accurately machined divided, is smoothly fitted to the head and can be locked in position by a knurled nut