Pin Gage Set, 50pcs Plug Set 0.001mm Tolerance Bearing Steel Precision Tool 0.5 0.99mm Hardness 58 63HRC with Wooden Box

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