... : handtools,Shafts ,SAE steel, Gears, Bolts, Hammers, Pliers, measuring, rotating equipment, ho, Cutlery, gardening tools, etc. Tools of quenching, shaft, pin ... : three phase 380V 50-60HZ Oscillation frequency :15-25KHZ Size: main 650 × 480 × 1440mm At 500 × 800 × 580mm igbt high frequency quenching equipment