Ball Mounting System w/Gear-Head & TrackFeatures:The new Scotty Ball Mounting System with Gear-Head and Low Profile Track provides a mounting receptacle for a variety of Scotty post mount accessoriesThe Gear-Head's effortless drop and lock system allows the user to secure and re-position post mount accessories with just a twistThe Scotty No. 151 comes with Scotty's new No. 440 Low Profile Track that allows for quick and easy set upThe ball joint design of the Scotty No. 151 enables a smooth, full range of motionMade from corrosion proof construction, this system provides a long service life in both fresh and salt water applicationsRod Holders or Scotty Accessories not includedTrack Dimensions: 1-3/4" wide x 3/8" tall x (1" usable track)Mount Height: Stands 9 tall