The RAM® Universal Adapt-A-Post™ with RAM® Tube Jr.™ and 6" Spline Post combines both the revolutionary RAM® Universal Adapt-A-Post™ Bulkhead Drill-Down Base and the RAM® Tube Jr.™ with 6" spline post. The RAM® Universal Adapt-A-Post™ is compatible across post and spline systems from RAM® Mounts, Scotty, Fish-On, Railblaza, Cannon, Brocraft, Cabela's and Bass Pro Shops. This version of the RAM® Universal Adapt-A-Post™ Bulkhead Drill-Down Base is a drill down base with 4 pre-drilled holes for drill down hardware to be installed vertically. Each universal RAM® Adapt-A-Post™ post and spline base features a quick-release button to safely disengage the rod holder as well as keep it secure while fishing out on the water. RAM® Tube Jr.™ supports right and left handed handling.