Indy Max Quick Release Boat Wakeboard Tower Rack UV resist black coated

  

Loosing the knob you can quick release the rack. You can adjust the rack to horizontal freely and fix the position with 2 pins.

2 1/2" clamp comes along with 5 rubber collars 2 3/8", 2 1/4", 2", 1 7/8", 1 3/4".