MATERIAL]: It is made of carbon steel with chrome plating on the surface PAcKAgE INcLUDE]: Range: 516 - 6 (8mm to 150mm),6PcS in total(1 gage: 516 - 12 range x 420 overall 1 gage: 12 - 34 range x 440 overall 1 gage: 34 - 1-14 range x 440 overall 1 gage: 1-14 - 2-18 range x 585 overall 1 gage: 2-18 - 3-12 range x 585 overall 1 gage: 3-12 - 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
Item# : SPM16379412924
Model # : 17164