50pcs Metric Bearing Steel Pin Gage Set Precision Kit 0.001mm 7.51-8.000mm 50mm
Item Type: Pin Gage. HIGH HARDNESS – Made of bearing steel, the pin features 58-63HRC by high temperature quenching and temper. PREMIUM BEARING STEEL — Made of bearing steel, through high temperature quenching and temper, hardness up to 58-63HRC.