HFSR Telescoping Gauge Set Precision TBore Hole Gauges with Pouch 516 6 Range 6pcs

MATERIAL It is made of carbon steel with chrome plating on the surface PACKAGE INCLUDE Range 516 6 8mm to 150mm6PCS in total1 gage 516 12 range x 420 overall 1 gage 12 34 range x 440 overall 1 gage 34 114 range x 440 overall 1 gage 114 218 range x 585 overall 1 gage 218 312 range x 585 overall 1 gage 312 6 range x 585 overall Ethylene plastic bag packaging OPERATION METHOD Use the gauge to expand in the hole to be measured lock it in place and then take it down and measure with micrometer or caliper to determine the final hole size HIGH PERFORMANCE The rigid handle and double acting design automatic centering can quickly check the internal dimension The spring tension is constant and the hand feel is even APPLICATION It is used to obtain the exact size of holes and slots which is suitable for factories schools offices and other places.