CURT 45002 Multi Ball Trailer Hitch Ball Mount, 2, 2 5 16 Inch Balls, Fits 2 Inch Receiver, 10,000 lbs. 1 7 8" x 2" Provides a solid mounting point SEALS Provides a solid mounting point for 5th wheel base rails and a 5th wheel hitch Fits specific Dodge Ram pickup trucks (see application information) Designed to be used in combination with CURT base rails #16100 or #16200 Required for 5th wheel base rails if not using a custom bracket kit Protected by a rust resistant liquid Bonderite coating Made in USA (may include imported hardware) Limited lifetime warranty (one year finish Mounts to a round bar WD hitch head to help level the trailer and tow vehicle Fits round bar weight distribution hitches #17007 or #17222 Pre assembled with spring bar chain for ready attachment Multiple chain links allow for flexible adjustment of tension Constructed from forged steel for optimum strength Protected by a highly durable carbide powder coat finish of gross trailer weight and 750 lbs This multipurpose ball mount also features a hollow shank to accept an anti rattle kit