16.5 Digital Brake Drum Gauge measures wear dimension of the brake drum (range: 3 in. - 16.5 in.). Preset at 1-1/2 depth with indicators for .5 and 1. Manual power on/off. Metric/Inch system interchange at any position. Includes blow mold storage case Resolution/repeatability: .0005 x 0.01mm. Zero setting at any position. Data output interface.
