* Extensions are designed to extend the Titan hitch box up to 48 inches. * Extension can be cut down to 24 inches or 34 inches to fit your application. * The tube has a 2-1/2 inch outside dimension at the hitch and a 2 inch dimension at the end. * Designed for use with truck campers. Length 24 WC: 6,000 pounds WD: 8,000 pounds. Length 34 WC: 4,500 pounds WD: 6,000 pounds.