Master Lock 1D Padlock, Keyed Different Key, 5/16 in Dia Shackle, 15/16 in H Shackle, Steel Shackle, Steel Body

Precision cylinder protection, thousands of key changes, tough, laminated, cadmium rust-proof steel case, nickel shackle. Removable key- change number for added security. Pair of brass keys included with every lock. Case-hardened steel shackle. Exclusive dual steel locking levers independently lock each shackle leg for increased protection. Patented taper assures smooth vertical shackle movement and precise engagement of locking levers. Proprietary rust-proofing for longer life. 1-3/4 in W case, 5/16 in Dia shackle and 3/4 in W horizontal shackle clearance.