Kohree Trailer Coupler Lock for 2" and 2-5/16" Ball Couplers — Heavy-Duty Matte Black, Weather-Resistant

The Kohree Trailer Coupler Lock is a heavy-duty, weather-resistant hitch lock that secures 2" and 2-5/16" ball couplers to deter theft and unauthorized towing.

Whether you store a camper, utility trailer, or work trailer outdoors, a reliable coupler lock reduces the chance someone can quickly hitch and drive away. Kohree’s unit is built from thick steel, finished with a matte black protective coating, and designed to snap over standard couplers for tool-free installation. It comes as a complete kit with multiple keys, rubber keyhole covers, and a storage box so you’re ready to protect trailers right away.

How does this lock fit with different coupler sizes?

The Kohree coupler lock is made to fit the two most common ball coupler openings: 2" and 2-5/16". It locks across the coupler opening so the ball cannot be seated, preventing normal hitching. Always confirm your coupler diameter and shape before purchase to ensure a correct fit.

• Compatible with standard 2" and 2-5/16" ball trailer couplers
• Snap-on design accommodates typical coupler profiles
• Some tight-fit couplers may require a firm initial push for secure engagement

What protection does the lock provide against theft attempts?

This lock uses thick, high-strength steel and a low-reflective matte finish to resist prying and blunt force attacks while staying visually unobtrusive. The solid construction blocks common quick-theft methods and adds time and effort for a would-be thief, often deterring the attempt altogether.

• Heavy-gauge steel construction resists pry bars and hammers
• Matte black finish reduces glare and visual attention
• Enclosed design shields the coupler connection from quick access

How does it hold up outdoors and over time?

Kohree designed the lock for year-round outdoor use: weatherproof materials, a protective coating, and a keyed cover over the lock cylinder help guard against moisture and dirt. The included rubber keyhole covers further reduce corrosion risk so the cylinder stays serviceable through seasons of rain, dust, and road grime.

• Weather-resistant materials and finish for outdoor durability
• Keyhole cover and rubber plugs prevent debris and moisture entry
• Supplied keys minimize the need to force or modify the lock in wet conditions

How easy is installation and daily use?

Installation requires no tools: press the lock over the trailer coupler, align, and snap the mechanism closed. Removing it takes only the key. This tool-free approach makes it practical for frequent hitching needs while still delivering solid security when the trailer is unattended.

• Quick snap-and-lock installation with no tools required
• Four unique keys supplied for family or crew access
• Compact storage box included keeps keys and extras organized

Who is this for? The Kohree Trailer Coupler Lock is aimed at RV owners, contractors, fleet managers, farmers, and homeowners who need an uncomplicated, heavy-duty way to secure trailers against opportunistic theft. It’s particularly useful for trailers left outdoors or parked in public lots where extra time and hardware-resistant construction can prevent unauthorized towing. If you want a straightforward lock that fits the most common coupler sizes, withstands seasonal exposure, and comes with extra keys and protective covers, this kit delivers practical, ready-to-use security without complex installation.