1.Materials:Zinc Alloy 2.Finish:Blue 3.Professional China Lock factory 4.Past ROHS 3 digit Luaage combination locks,locks 1) Material: Zinc ... Alloy2) Easy to use.3) Available in various sizes ... .Case lock,Luggage Lock,Bag Lock,Suitcase Lock,Combination Lock,Travel Lock,Padlock Code Lock. 3 digit combination locks