Quick Products Deluxe RV Bumper Receiver Adapter 2in. This heavy-duty adapter mounts underneath your existing 4" x 4" bumper and its receiver fits standard 2" tubes. 200 lb. tongue weight capacity. NOT intended for towing purposes. Before installation be aware that RV manufacturers may place load restrictions on their vehicle's bumpers. These load restrictions must be followed to create a safe RVing experience. If you are unaware of your bumper's load restrictions please consult your manufacturer for information to ensure safe use. Install only on continuous-weld steel bumpers. Features of Quick Products QPRBAB Deluxe RV Bumper Receiver Adapter 2in Heavy-duty adapter bolts onto existing 4" x 4" RV bumper Accepts 2" cargo carrier tube 200 lbs. tongue weight capacity NOT intended for towing purposes One-year replacement warranty Package Contents: Quick Products QPRBAB Deluxe RV Bumper Receiver Adapter 2in Quick Products QPRBAB: Deluxe RV Bumper Receiver Adapter 2in