CURT 60615 Double Lock Gooseneck Hitch with Flip and Store Ball, 30,000 lbs., 2 5 16 Inch Ball Adjustable CURT universal roof rack cross Truck:Silverado CURT universal roof rack cross bars are constructed from naturally rust resistant aluminum to easily outlast the elements This class 1 trailer hitch and ball mount combination is designed for a custom fit on select years of the Mazda 3 (see application info to verify fitment) Double locking pins for superior trailer and trailer ball security Flip and store ball keeps truck bed free of obstructions Removable chrome plated 2 5 16" trailer ball fits most gooseneck trailers Installation requires no welding or truck bed removal Heavy duty handle can be positioned on either side of the vehicle Chrome plated trim ring provides a finished look Rubber hole cover helps prevent corrosion in trailer ball hole Includes spring loaded safety chain loops and grade 8 hardware Protected by a highly durable carbide powder coat finish Limited lifetime warranty (one year finish it is an integrated extension of your truck that allows you turn your 4x4 into the workhorse it was designed to be