Under-bed mounting design bolts to existing holes in truck frame. Remove the ball from the receiver socket for a flat truck bed. Flexible latch pin handle secures steel locking pin that goes completely through the ball for security. Durable powder coat finish resists rust and corrosion. Mfr. limited lifetime warranty. | B&W Turnoverball Gooseneck Hitch, 2015-2018 Ford F150 5 1/2', 6 1/2' & 8' Bed