SST – Saw Gauge Calibrator – for Calibrating Saw Blades, Fences, & Jigs – Precise & Accurate Alignment – ½ In. Precision Spring-aligned Miter Slot Insert, Proprietary Dovetail Lock Design. 8.07 x 5.94 x 1.46 inches. ENGINEERED FOR PRECISION – Stupid Simple Tools’ Saw Gauge Calibrator ensures precise alignment and accuracy of your saw blades, fences, and jigs. Better cuts and longer blade life start here. BUILT TO ENDURE – Machined from solid 6061 aluminum and finished with a hard anodized coating, our Saw Gauge Calibrator is made to perform for years to come. MEASURE WITH CONFIDENCE – Features a high-precision ½ dial indicator with. 001 gradation, paired with a spring-aligned miter slot bar for smooth, repeatable results. VERSATILE & COMPATIBLE – The Saw Gauge Calibrator has 6.5 inches of adjustable range means compatibility with most table saws, router tables, and band saws. One calibrator to dial in your entire shop. Shop with confidence – Thousands of happy customers trust us for quality products and fast service!