CURT’s complete line of American made Class 4 receiver hitches feature a high-gloss powder coat finish over a rust preventing A-coat base for superior protection and appearance. This makes them the most corrosion resistant aftermarket hitch available, as the more advanced A-coat outperforms E-coat in salt spray tests. CURT hitches undergo advanced, real-life testing. They are designed and built for safety, great fit and appearance. CURT’s class 4 receiver hitches have a 2" receiver tube opening with 10,000 lb. weight carrying capacity and 12,000 lb. weight distributing capacity.