Installs to the side profile of your Slimline II Roof Rack. Swings out 90 degrees from the side of the rack, allowing your water tap to clear the side of your vehicle. The spring pin locks the extension bracket in a closed or opened position. Features a shower head holder. Used best with WTAN054. Note: For compatibility with the Slimsport or Slimpro Van Rack the RRAC182, is required. *sold separately