The OnGuard BullDog series u-locks are equipped with X2P Double Bolt lock mechanisms and durable 13mm (0.51”) hardened steel shackles, providing comprehensive protection. Featuring a 1-year anti-theft guarantee, these u-locks boast a 4.6 ton pull strength and are resistant to drilling and picking. The ultra steel shackle is also reinforced with a sleeve over the crossbar and cylinder, ensuring enhanced security.

Specs

• Length: 5.5 ins
• Diameter: 13 mm
• Cable Included: No
• Shackle Width: 3.55 ins
• Lock Style: Keyed
• Advertised Weight: 2.3 lbs