The RAP-395-RMU consists of the RAM STACK-N-STOW™ Bait Board, 3" long spline post and bulkhead rail adapter kit. The bait board includes a magnetic surface for bait knife, hooks, lures or any ferrous metal item, never again scramble to find your essential tools while on the water. With various extension pole options for post and spline you can get creative with your install. Integrated features for hanging tools, lures, clippers, mounting a GoPro® camera, cup holders and much more, this bait board is a feature rich option for the savvy angler. This mount joins two plates with the screws provided and turns the flate base into a rail base. The adapter is a U shape, so it can wrap around a tube mount and the clamp by joining to the flat base. The bait board will also accommodate pipes and extension poles with a diameter of 1".