... 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, ... degree8 )Environmental protection ,no noise, no pollution,light weight and small volume ModelWH-VI-80Worker power Three phrase ...