ELECTRONIC DIGITAL DRUM GAUGE.
Central Tools 3B531 STORM 4-20" (100-500mm) Digital Drum Gauge
Central Tools 3C350 Fractional Electronic DIgital Caliper
Central Tools STORM 0-6" Electronic Digital Brake Disc Caliper Rotor Gage 3M430
Central Tools Electronic Digital Rotor Gage
6434 Dial Indicator Cylinder Sleeve Height Counterbore Gauge for Central Tools