About this product
The easy to install and remove Master Lock 377DAT Trailer Coupler Lock fits all 1-7/8", 2" trailer couplers and most 2-5/16" trailer couplers.
The advanced locking mechanism resists picking and prying and is resistant to rust and corrosion. The built in keyway cover protects the lock from moisture and dirt.
Specifications
- Compatible with: 1-7/8", 2" and most 2-5/16" trailer couplers