American Lock A5100KA-XJ12 Padlock 1-1/2" 5100 Series Solid Steel Hardened chrome plated shackle 1/4" diameter Shackle clearance: 1", Removable brass cylinders for fast servicing Hardened steel cover plate for cylinder protection, Two brass keys included 5 pin tumbler security-AM3 keyway, Double steel ball locking mechanism Rekeyable for added security, Finish: Triple satin chrome