The OnGuard BullDog series U-locks are equipped with X2P Double Bolt lock mechanisms and a robust 13mm (0.51”) hardened steel shackle to provide comprehensive protection. The Bulldog also comes with a free 1-year anti-theft guarantee and boasts an impressive 4.6 Ton pull strength, along with anti-drill and pick resistance. For added security, the shackle is made of hardened ultra steel and features a reinforced sleeve over the crossbar and cylinder.

Specs

• Length: 11 ins
• Diameter: 13 mm
• Cable Included: No
• Shackle Width: 4.5 ins
• Lock Style: Keyed
• Advertised Weight: 3.075 lbs