Granite Quick Check indicator Stand. Features: Ultra-Smooth Rack & Pinion indicator Positioner offers 2″ of Vertical Travel. Rapid adjustment for Checking Multiple Height Features on parts. Twin Knobs for left or Right Hand Positioning. Stem Mount indicator Holding Arm accommodates both 3/8″ and 8mm Diameter Stems. Granite Base: 8″ x 6″ x 2″ High .00005″ flatness. Stainless Steel Column. Column Height: 12″. Column Diameter: 9/16″. Can be used With any AGD indicator. Model No. 15825, Flexbar Granite Quick Check indicator Stand. Dial indicator is not included-please order separately.