This caliper has inner, outer, and depth gauges measuring up to 6.0 inches or 150 mm, and with a resolution of 0.0005 inches or 0.01 mm. The digital display will show inches and mm in decimal and ...

A dead battery in your digital calipers usually means a trip to the store for a new button cell. Not for [Trevor]. His hack substitutes a super capacitor, guaranteeing you’ll never need to ...