Pin Gage Set, 50pcs Plug Set 0.001mm Tolerance Bearing Steel Precision Tool 1 1.49mm Hardness 58 63HRC with Wooden Box

These precision tools are suitable for checking location, hole size and depth, gage slots, distance between holes, etc. Come with a wooden case to keep these pin gage neatly organized and easy to find. Each pin gage is labeled with corresponding size for easy identification. Made of high quality bearing steel, through high temperature quenching and temper, hardness up to 58-63HRC. Widely used in high-tech fields such as electronic boards, circuit boards, molds, precision machinery manufacturing.