Ft. Knox Bulldog Sliding Collar Trailer Coupler Lock, Heavy Duty Steel Hitch Lock, Fits 2 Inch and 2-5/16 Inch Bulldog Couplers, Bolt Cutter and Crowbar Proof, Made in USA

The Ft. Knox Bulldog Sliding Collar Coupler Lock delivers uncompromising trailer security. Designed for Bulldog sliding collar couplers in 2 inch and 2-5/16 inch sizes, this lock prevents unauthorized towing and keeps your equipment protected. Constructed from 3/16" fully welded cold-rolled steel with reinforced hinges and hinge pins, the lock is bolt cutter proof and crowbar proof. A surround hasp accepts most puck style locks (sold separately), a proven security design trusted on jobsite storage containers nationwide. Finished with a bright yellow powder coat, the lock deters thieves while holding up against the elements. Proudly made in the USA by a family-run business, Ft. Knox Locks stand for heavy-duty, no-nonsense protection. This model is compatible with Bulldog sliding collar couplers only. For Ram brand couplers, please see our Ram-specific model.

• 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.