... , 1 Cr18 T4 Ni9Ti stainless steel, Ti titaniumCommon specification:Φ 22, Φ 20, Φ 18, Φ 16, Φ 14, Φ 12, Φ 10, Φ 8.5, Φ 8, Φ 6.5 ... , Φ 6Voltage : 12-440 V; Power for: 50 W-20 KWSurface treatment: all kinds of nickel plating, passivation, black, spraying ...