Telescopic gauge, 8-150 mm Internal gauge set, 6 pieces

Description

Easy to use adjust to obtain an accurate measurement. Professional precision tool set! Handle is securely attached to the contact piston and self-centering Rigid handle with 3/4″ diameter. double action with self-centering function for quick inspection of holes, grooves and grooves up to 6″ deep The ends of both contacts are hardened stainless steel heads and are precision ground to a certain radius to allow sufficient clearance on the smallest hole the gauge will fit in. Group of 6 gauges: 5/16″-6″ (8mm-150mm): 8-12.7, 12.7-19, 19 gauge -32, 32-54, 54-90 and 90-150mm