Fully adjustable rod holder with over 9" of stainless steel jacketed composite construction, accommodating all rods. Heavy Duty Stainless Steel Unique Side or Deck Mounting Bracket with new Lock Down Feature Tilts up and down, including upright for rod storage when travelling Less missed strike opportunities Swivels 360 degreesIncludes 241L Locking "push button" Combination Side / Deck Mount. To use the new Scotty "lock-down" mount system, simply choose the best direction to fish from and insert the rod holder or accessory, pushing the post straight down into the mount. Can be mounted on top or side of gunnel. Rocket Launcher Interior Diameter: 1.70" Mount Dimensions: 4" x 2" x 2" Bolting Dimensions: 1 5/16" x 3 3/16"