Speaker 1: Today we're taking a look at the Bulldog BX1 Gooseneck Coupler Inner Tube. This sturdy, short inner tube pairs with an existing outer tube to create an adjustable gooseneck coupler. This is designed to work with a 2 and 5/16 inch hitch ball, so if I flip this over, you can see right here, this is a slot of the 2 and 5/16 inch hitch ball.Now, one of the neat features I want to… see more >