For heavy-duty towing and trailering, turn to the REESE Towpower Hitch Accessories. REESE trailer accessories ensure safe, confident, easier towing and trailering. Available: 5/8 Pull Pin with Clip This replacement 5/8-diameter pull pin and spring cotter pin set fits Reeses 35, 36, 37, and 44 series utility ball mounts. Class V Hitch Pin and Clip Perfect for towing your camper, horse trailer, utility trailer, large SUV, pickup, van, and countless other high-investment, high-security payloads. Pairs perfectly with Class V towing ball mounts that have a 2-1/2 receiver tube and 2-1/2 square shank. This REESE trailer hitch pin and clip bring a bright zinc finish for easy visibility and ultra-durability. Perfect for your go-to trailer pin and clip and for a rock-solid spare. 3-1/2 span. Includes groove pin to hold clip. Manufacturers 1-year limited warranty. Cancer and Reproductive Harm- www.P65Warnings.ca.gov.