Materail: full brass , steel , iron, A solid brass lock body with brass inner mechanisms copper/nickel/chrome triple plated rotating case hardened steel locking bolt,no pull head. with spring loadball bearing locking mechanism. Wnti-picking mushroom/regular pin tumblers brass cylinder protection. each lock supplided with two nickel plated steel keys size case thinckness case height shackle diameter 50mm 15.00mm 38m 7.0mm 70mm 18.00mm 48.00 12.0mm 90mm 18.00mm 60mm 12.0mmHS Code: 83024200 Model: YSJX Standard: ISO9001 Origin: CHINA