This lock protects unattended trailers and guards against tow-away theft. Fits 1-7/8", 2" & some 2-5/16" couplers. For 2-5/16" couplers we recommend one of the Model #379 locks.
COUPLER LOCK FEATURES:
- Advanced locking mechanism resists picking and prying.
- Simple installation and removal.
- Chrome finish resists rust and corrosion.
- Matching colored keyhead for added convenience.
- Limited Lifetime Warranty.
THE MASTER ADVANTAGE
- World's Largest Padlock manufacturer, approximately 50,000,000 locks sold each year.
- Ranked #1 by consumers as the best padlock brand.
- All Master Lock padlocks are individually tested for quality.
- 97 out of 100 people recognize the Master Lock Brand name.
- Market share leader in U.S. sales of padlocks.
- Master Lock padlocks offer a full lifetime guarantee.