Keyed Padlock – Hidden Shackle Padlock, Shackle Diameter: 5/16 in, Shackle Material: Boron Alloy, Body Material: Steel | 6321

6321 PADLOCK 2-1/8″ (54 mm) wide laminated steel body for superior strength Hardened 5/16” boron alloy shackle for superior cut resistance Solid iron shackle shroud resists harsh physical attacks Five-spool pin tumbler cylinder for added pick resistance Removable cylinder can be replaced or re-pinned Dual ball-bearing locking mechanism resists pulling and prying