The On Guard BullDog U-Locks are constructed of 13mm hardened ultra steel shackle with a reinforced sleeve over crossbar and cylinder for added security.
- 4.6 Tons pull strength with anti-drill and pick resistance
- 13mm hardened ultra steel shackle with reinforced sleeve over crossbar and cylinder for added security
- Bulldog includes free 1-year $1,251 anti-theft guarantee
