Starrett B811 1PZ Dial Test Indicator without Attachments, Swivel Head, Black Dial, 0 30 Reading, 0.001" Range, Graduation

Series 811 with 1-3/8" diameter adjustable face, steel contact point, and choice of red, white, or black face Balanced dial with continuous clockwise pointer rotation with automatic reversal, and ball-bearing lever system with measuring insert swivels through to 210 degrees Face can swivel from fully vertical to fully horizontal and has two dovetail mounts for mounting horizontally or vertically from the top or back Gear-driven, jewelled movement, and contacts are frictionally adjustable and replaceable Meets or exceeds accuracy and performance requirements of national and international standards, and are traceable to the United States National Institutes of Standards and Technology (NIST).