Zinc alloy door keys 1.Material:Environmental 2.Factory audited by Intertek 3 ... 1.Product name:Zinc alloy door keys2.all kinds of keys, types and sizes, unique design!3.Min. Quantity: ... .Satisfactory service: a.defective key blank, must be a replacement,you can return us for new items for free b ... car key blanks,lock cylinders,we have all kinds of keys and cylinders.If you want to know more information, ...