3 to 16.5 Preset at 1-1/2 depth with indicators for .5 and 1 Metric/Inch system interchange at any position Resolution/repeatability .0005 x 0.01m Manual power on/off Storage case.
The KD Tools 16.5-Inch Digital Brake Drum Gauge measures the wear dimension of brake drums within a range of 3 to 16-1/2 inches. Its preset at 1-1/2-inches depth with indicators for 1/2-inches and 1-inch. You can interchange inch and metric systems or make a zero setting at any position. KD Tools backs its gauge with a lifetime warranty.