RH5167VVertical 0 Short TubeMedium size Short Swivel Base for Stand-Up Rods with Curved Butts. Has 2 OD x 6-12 long tube.Without a doubt, our swivel base rod holder is the Ultimate Rod Holder for the serious sportsman. Primarily designed to be used with bent butt tackle, the rod holders unique swivel base allows the rod butt to rotate in the rod holder when side pressure is applied to the tip of the rod. This is an indispensable tool, especially important in Giant Blue Fin Tuna fishing, where re