Tow Hitch Receiver Bumper Mounted Bike Hitch Receiver Tube Cargo Receiver Hitch (Bolt on Hitch Model) TOW HITCH - Standard square tube hitch receive: 2x2. DURABLE - Reinforced tow hook holes. HIGH CAPACITY - Rated for 5000 lbs. load. FITS MOST - Universal design installation design fits most vehicles. ATTACHMENT OPTIONS - Weld or bolt on (bolt for heavy duty).