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Proven Industries Coupler Lock
- Unique design secures safety chains inside the lock housing
- 1/4-inch thick hardened American steel resists grinders and torches
- Uses a high-security puck style lock shielded from bolt cutters
Curated like a pro, explained like a friend
Top3 heavy-duty trailer locks
Product page sample
Top3 heavy-duty trailer locks
AMPLock Heavy-Duty Coupler Lock
- Ductile cast iron construction absorbs shock from sledgehammers
- Patented disc tumbler cylinder with over 1 million key codes
- Rotating face and swivel design resist drilling and prying tools
PACLOCK UCS-9S Cone Puck Lock
- Cone-shaped front is specifically engineered to deflect drill bits
- High-security 6-pin cylinder is pick and bump resistant
- Compatible with the PACLOCK Universal Cylinder System (UCS)