1.high effiency 2.quick heating ,easy operate 3.consumption reduction 4.light weight Applications :Quenching: hammer, pliers, measuring tools, screwdrivers, picks, knives, scissors, gardening tools and other tools of the quenching, shaft, pin, gears, sprockets, automobile and motorcycle spare parts (forks, rod, steering rod , camshaft, etc.), bicycle parts, machine tools, guides, farm machinery ...