Thule's low profile ski carrier offers multiple mounting options for greater carrying versatility. 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.