... product 3. Never fade 4, Durable material Toilet partition fittingdoor lock with indicator Feature: 1, Durable , corrosion resistant, water proof ... proof , acid resistant even better then stainless steel 3042, Never change color , Wear-resisting, good hardness, and high strength Specification ... 1.Series:QY series door lock 2.Material:Aluminum 6063 3.Color:Satin Silver 4. ...