Check the listing for details. iGaging Digital Saw Alignment Gauge. Condition: New. Listed at 86.98 USD. iGaging Digital Saw Alignment Gauge, 185741, Readout: inch/metric/fractional, Reading: 0.001", 0.01mm, 1/128", Measurement Range: 4"-11", Spring loaded miter bar, Comes with hardware, additional 3V CR2032 Battery, hex wrench for assembly, and instructions, Quickly set up, tune up, and check the accuracy of your shop's tools with this iGaging® Saw Alignment Gauge. Check table saw blade and fence alignment, arbor and blade run-out, and miter slot to blade squareness. The 0-1" dial indicator displays inch, metric and fractional units. Self-adjusting miter bar with spring plungers for perfect fit in your miter slot. Readout: inch/metric/fractional, Reading: 0.001", 0.01mm, 1/128" Measurement Range: 4"-11" Comes with hardware, additional 3V CR2032 Battery, hex.