Start your vehicle and secure your hitch ball in the coupler with the same key using BOLTs Coupler Pin Lock. The first time you Insert the key to your vehicle into the coupler lock, it permanently learns your keys contours. One-Key Lock technology eliminates the risk of losing the coupler-lock key and reduces the amount on your keychain for maximized convenience. Stainless steel lock shutter and a rugged jacket has an industry-leading, corrosion-resistant rating. Manufacturers limited lifetime warranty. Available: GM early, GM late, Ford, Dodge/Jeep, GM center-cut, Nissan, Toyota. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Color: Stainless Steel. Type: ATV / UTV Hitch Accessories.