This Husky Towing Trailer Coupler Repair Kit is used with 2 inch couplers rated at 6, 000 pounds. Husky straight couplers are perfect for safe towing trailers. Husky straight couplers are built to the highest industry standards, tested and certified to meet VESC Reg. V-5, SAE Erg. J-684F. For increased safety, each Husky straight coupler includes a safety pin as an additional means of securing the ball clamp in a locked position (safety pin is required to be used at all times) and a safety chain to eliminate loss of the safety pin. The quick release assembly allows for fast and safe locking and unlocking of the ball clamp for convenient hook-up and disconnect. Compatibility: 2 Inch Couplers Rated At 6000 Pound | Coupler Repair Kit for 2" Couplers, 6,000lb