... ,easy operate 3.consumption reduction 4.light weight Applications :Quenching: hammer, pliers, measuring tools, screwdrivers, picks, knives, scissors, gardening ... methods (such as gas, oxygen, acetylene, coking coal, electric furnace, high frequency tube etc.),the thermal efficiency 0f 95 ... piece forging, blankTemperature protection 50 degrees High Frequency drill bit and splined shaft quenching 80KW