Buyers RT25812 2 Inch Weld On Receiver Tube, 12 Inch Shank Victaulic Style 750 UnitedBuilt Ball Bearing Single Row 0009157 UnitedBuilt Ball Bearing Single Row Class 150 Carbon Steel Check Requirement Mounting structure Must be suitable for a welded receiver installation Receiver accessory Must fit a 2 inch receiver opening Hitch pin Must match the 5 8 inch pin hole configuration Welding Should be completed by a qualified fabricator Surface protection Apply an appropriate coating after fabrication when required Vehicle and towing limits Must be established from the complete installed system Ball mount The Buyers Products RT25812 is a weld on receiver tube with a 2 inch inside opening and 12 inch shank