Fowler 52-547-000-0 7" Shallow Bore Gage with Disc Anvil

Includes two hex keys The Shallow Bore Gage with its large measurement range is perfect for measuring shallow bores and shoulder diameters. Features Made of hardened tool steel, satin-chrome finish Works with most brands of horizontal or vertical test indicators Fine adjustment .400" Depth capacity .05 - .400" * Contact pin hole distance .250" * Based on using test indicator with 1/2" long contact point. Internal Range .55 - 7.2" External Range .24 - 6.92"