... pieces,such as golf ball head, cue, brass lock and ect. Main characteristics:Max input power frequency:15KWFrequency:1-20KHzMax ... can, annealed folded edge, annealed sink, stainless steel tube, tableware and cup.2.Annealing of various other metal work pieces, such ... kitchen knife handle, blade, aluminum pan, aluminum pail, aluminum radiator and various alumimum products. induction annealing machine