DIGITAL CALIPER.
Central Tools 3C350 Fractional Electronic DIgital Caliper
Central Tools 3C351 Carbon Fiber Digital Caliper with Fractional Display
Snap On Tools RTD33 Fractional Metric Rethreading Set USA
6434 Dial Indicator Cylinder Sleeve Height Counterbore Gauge for Central Tools
For Central Tools 6434 Sleeve Height Counterbore Counter Bore Gauge Range 0-1"