Description:  Aluminum Alloy Dial indicator Gauge Table Saws Metric or Imperial For Aligning and Calibrating Machinery Dial indicator.     Specification:  Material: Aluminum Alloy.  Size: 180x150x75mm(7.08x5.9x2.95inch).  Color: Red.  Length: Short type: about 130mm.  Long type: about 220mm.     Features:  1.There are two purchase options in metric and imperial systems.  2.Quickly set-up, tune up, and check the accuracy of your shop's tools with this system. Check table saw blade and fence alignment, arbor and blade run-out, miter slot to blade squareness, arbor/chuck run-out, jointer/planer head to table parallelism, jointer/planer knife alignment, out-feed table alignment; router/shaper spindle run-out, or any other set up or alignment measurement you desire.  3. The 1' capacity dial indicator reads in .001' increments for absolute precision. Self adjusting miter slot rod with leveling screws and spring plungers for perfect fit in your miter slot.  4. Dial indicator mounting bar measures 3/4” x 3/4” x 5-1/2”, miter slot rod measures 3/8” x 3/4' x 6-1/4'.     Package Included:  1X Dial indicator Gauge