Designed for accessories such as bikes and cargo racks or for towing a second trailer (if state laws permit). Adjusts from 47" to 77" to fit inside almost any travel trailer frame. Maximum Gross Trailer weight is 3500 lbs. Tongue weight is 350 lbs. Black powder coated. Do not exceed RV frame capabilities. The perfect add-on accessory to install your bike or cargo carrier. Use on folding camping, travel and fifth wheel trailers that do not have a hitch. Use on chassis 47" to 77". Features a 2" receiver opening. Must be welded. 3,500 lbs towing capacity. 350 lbs torque weight.