At Connor, we are devoted to a complete line of products using cutting edge technology with the expertise and ingenuity to produce superior products that are durable and dependable. We continually develop and apply the newest advancements in technology to provide customers with quality products without the inflated price tags. Our motto is and always will be “Unbeatable Quality and Value.” Connor lock experts designed the adjustable coupler lock with a unique all weather grip perfect for improved handling in freezing rain or scorching hot summers. The adjustable coupler lock is extremely durable and spans 1/2 inch to 3 inches, fitting most standard, wide latch and 2-5/16 inch ball couplers to firmly secure into the lock hole of your coupler. Get the toughest safeguard in towing security and protect your valuables from theft. Overall Length of lock: 5-3/8″ Usable Length of pin: 2-7/8″.