American Lock A5201 Padlock 1-3/4" 5200 Series Solid Steel Hardened chrome plated shackle 5/16" diameter, Shackle clearance: 2" Removable brass cylinders for fast servicing Hardened steel cover plate for cylinder protection, Finish: Triple satin chrome Two brass keys included, 5 pin tumbler cylinder-AM3 keyway Rekeyable for added security, Double steel ball locking mechanism