Master Lock 3UPLF Universal Pin Long Shank Padlock For use with Master Lock Universal pin keying system 1-9/16" Wide laminated case 4-pin tumbler security Dual Steel levers lock both sides of case-hardened 9/32" Diameter steel shackle Universal pin padlocks for keying convenience Locks pinned to customer's key in minutes Laminated steel bodies for superior strength Hardened steel shackles for No.1 and No. 3 padlocks 1-3/4" body, 2-1/2" shackle