OnGuard BullDog Series U-Lock - 3.5 x 7" Keyed Black/Yellow Includes bracket

OnGuard BullDog Series U-Lock - 3.5 x 7" Keyed Black/Yellow Includes bracket. OnGuard BullDog series u-locks feature X2P Double Bolt lock mechanisms and strong 13mm (0.51”) hardened steel shackles for a full circle of protection.

Bulldog includes free 1-year anti-theft guarantee

4.6 Tons pull strength with anti-drill and pick resistance

Hardened ultra steel shackle with reinforced sleeve over crossbar and cylinder for added security