The B&W Turnoverball Gooseneck Hitch is a heavy-duty underbed mounting system with a removable ball that stores inside the hitch for complete bed access when not towing. Specifications•Installation Position: Under-Bed•Gross Trailer Weight: 30000 Pound•Gross Tongue Weight: 7500 Pound•Hitch Ball Size: 2-5/16 Inch•Hitch Mount Fixed: Yes•Includes Hardware: Yes•Welding Required: Yes•Accepts Safety Chain: Yes•Color/ Finish: Gray Powder Coated•Material: Steel•Includes Hitch Ball: Yes•Hitch Ball Material: Steel•Includes Hitch Ball Cover: No•Drilling Required: Yes•Estimated Install Time (Hours):2 Universal fit for flatbed trucks Installs under bed requiring a 4-inch hole & some welding Gray powder-coated for durable, long-lasting finish | B&W Under-Bed Gooseneck Trailer Hitch, 30,000 Pound