0-1" Electronic Indicator & Granite Stand Package Granite Stand Specifications... 6" x 6" x 2" Granite Fine Adjusting Knob 7.75" Post Accepts all AGD Lug Backs Digital Indicator Specifications... 0-1" / 25mm Measuring Range 0.0005" / 0.01mm Resolution Lug Back Large LCD Display 3/8" Stem, 4-48 Threaded Tip Certificate of Calibration