Keep Your Trailer Safe with InfiniteRule's Custom Fit coupler lock. Towing a trailer or equipment? Don't leave it vulnerable to theft with InfiniteRule's custom-designed receiver lock single pack. Specifically engineered to fit Trailer Coupler Lock For 1-7/8", 2", & 2-5/16" Ball, these rugged locks will deter criminals from detaching your valuables. The included machined stainless steel trailer locks are rigorously tested to a heavy-duty 21K LB rating, so you can trust they will withstand attempts to break, cut, or pick them. The tight-fitting weatherproof rubber caps keep out dirt, water, and grime so the locks continue working smoothly. Protecting your investment is our priority. That's why InfiniteRule trailer locks are 100% made in the USA with premium materials that resist rust and corrosion. We manufacture, ship, and service our security products domestically, backing them with our promise to customers. CUSTOM FIT - Specifically Designed and Intended For Trailer Coupler Lock For 1-7/8", 2", & 2-5/16" Ball WHAT'S INCLUDED - Trailer Coupler Lock For 1-7/8", 2", & 2-5/16" Ball ANTI THEFT - Machined Stainless-Steel Locks & Pins Rigorously Tested By Trusted 3rd party solutions. DURABLE - Resist Rust and Corrosion With Premium Materials. Tight Fitting Weatherproof Rubber Cap and O-ring To Protect The Key Hole From Water, Grime, Dirt, & Debris. 100% MADE IN THE USA - Protect Your Hitch With InfiniteRule Security Proudly Manufactured, Shipped, and Serviced In The USA! IMPORTANT MESSAGE - InfiniteRule Products Are Intended To FIT SPECIFIC APPLICATIONS. Please Verify The Span And Diameter Will Fit Your Intended Application And Check If Your Hitch Shank and Vehicle Receiver Are The Same Size. In Some Cases It Will Be Necessary To Order The Mixed Pack Option With An Additional Receiver Lock That May Be Longer Or Shorter Than The Other Products In The Package. In that case it Is Intended To Work With Your Vehicle’s Receiver ONLY. MODEL NO - 61118-BX