Stainless steel door lock ISO9001 certificate metal OEM Material:stainless steel Weight:0.84kg Size:270*130*25mm Stainless steel door lockModel: ... DM03012/DM03012S 1)Key specification Material:stainless steel Weight:0.84kg Size ... 9. forging: can forget different materials:common carbon steel, special steel, stainless steel, brass, bronzs ,aluminum and so on . ...