Thule's low profile ski carrier offers multiple mounting options for greater carrying versatility. Features: Low profile for improved aerodynamics Smart vertical spring system adjusts to accommodate all thicknesses of skis and reduces the carrier height when unloaded Two sets of height extension T-track feet included to raise carrier and protect vehicle roofs for skis/boards with tall bindings Fits Thule rack systems, round bars and most factory racks with both T-track and SpeedLink around the bar mounting options Large push button is easy to open with gloves on and it opens by pushing in a natural 'up' motion Soft rubber arms protect skis during transport Thule's One-key lock cylinders lock the skis/boards to the carrier and the carrier to the vehicle (locks included) Corrosion-resistant aluminum arms are durable and strong