Trailer Coupler Locks 377KA-2 - Fits 1-7/8 and 2 Couplers

The Master Lock No. 377KA is a trailer coupler lock designed to fit a variety of trailer coupler sizes, including 1-7/8 inches (48mm), 2 inches (51mm), and most 2-5/16 inches (59mm). The advanced locking mechanism of this product provides resistance to picking and prying, effectively guarding against trailer towaway theft. This lock is compatible with a range of coupler brands, such as Reese, Fulton, Valley, Atwood, Putnam, Marvel, Ideal, Acme, and Dutton-Lainson, with a focus on fitting the most common 1-7/8-inch and 2-inch ball diameters.

The ease of installation and removal, combined with the lock's resistance to rust and corrosion, make it a reliable and convenient choice for securing trailers. The product comes with a Limited Lifetime Warranty, providing users with peace of mind and a trusted brand assurance.

It is important to note that if you order two 2-packs of the 377KA coupler locks, they may not necessarily be keyed the same. To ensure that you receive two 2-packs keyed alike, it is recommended to order the 4-pack option.

For trailer couplers with a 2-5/16-inch diameter, the Master Lock 379KA is the recommended alternative lock. This product specification is designed to fit the larger coupler size effectively.

The durable design of the Master Lock No. 377KA features an aluminum die-cast finish that resists rust and corrosion, further enhancing its longevity and reliability. The advanced locking mechanism provides a high level of resistance against picking and prying attempts, ensuring the security of your trailer.

In summary, the Master Lock No. 377KA is a versatile and secure trailer coupler lock that offers a range of features to protect against trailer theft. Its compatibility with various coupler sizes, ease of use, and durable construction make it a reliable choice for trailer owners. The Limited Lifetime Warranty and trusted brand reputation provide an additional layer of assurance for users.

product information: