Trailer Hitch Coupler Lock Kit, 2-5/16 in, 3 Keys

Trailer hitch lock kit secures 2-5/16 in (58.7 mm) couplers to deter theft and keep your trailer, RV, or boat where you left it. Built for quick tool-free setup, this heavy-duty trailer ball lock uses an impact-resistant aluminum alloy body with a pry-resistant core, plus an added padlock for layered protection. Weather-ready surface coating helps resist rust and corrosion for dependable use in rain, sun, and snow.

• Fits 2-5/16 in (58.7 mm) couplers for utility trailers, RVs, boats, and off-road towing


• Delivers anti-pry, anti-jam protection with a zinc alloy core and impact-resistant housing


• Includes 3 keys plus a padlock for added security and easier access for multiple users


• Resists rust and corrosion with electrophoresis + powder-coated finish for all-weather use


• Installs fast with tool-free locking—insert, align, and turn the key to lock/unlock

Secure your trailer coupler in seconds before storage, parking, or travel stops. This coupler lock combination set is designed for stable fit and smooth operation, helping reduce the risk of opportunistic theft at campgrounds, marinas, driveways, and job sites. Confirm your coupler size (2-5/16 in) before ordering for the right match. Grab yours today and tow, park, and store with added confidence.

• Applicable coupler size: 2-5/16 in (58.7 mm)


• Locking method: Key


• Material: Aluminum alloy lock body; zinc alloy core


• Finish: Electrophoresis + powder coating


• Product size: 4.33 x 3.54 x 3.15 in (110 x 90 x 80 mm)


• Net weight: 2.2 lb (1 kg)


• In the box: Trailer hitch lock kit, padlock, 3 keys