About This

• Ultra-High Security Design: Bulldog sliding collar trailer coupler lock fully encloses the latch and fits most bulldog couplers
• Heavy Duty Steel Construction: Made from 3/16" fully welded cold-rolled steel with reinforced hinges and hinge pins. Bolt cutter proof and crowbar proof for maximum strength.
• Accepts all hockey puck style padlocks: Does not includes puck lock shackle for cut resistance and secure locking.
• Bright Yellow Powder Coat: High-visibility finish resists outdoor wear and warns off would-be thieves.
• Ft. Knox Locks, USA Made: Family-run business designing heavy-duty trailer locks proudly made in the USA. Ensure correct fit, this model is for bulldog couplers only.
• Double Check Your Coupler/Hitch: This lock only fits the coupler/hitchs Bulldog sliding collar pictured. If you do not see your coupler/hitch, please view our other coupler/hitch locks.