B&W Trailer Hitches Turnoverball Kit Model GNRK1050B&W Trailer Hitches Turnoverball Kit Model GNRK1050 #1 selling gooseneck hitch in America. A hitch when you need it, a level bed when you don't. It's the hitch that started it all. Solid, machined 2 5 16" ball Durable powder coat finish Only a 4" hole in the bed Bolts to existing holes in the frame with no drilling or welding Solid, one piece machined receiver socket Flexible latch pin handle attached to a spring loaded, 5 8" steel locking pin that