Thule Fit Kits mirror your vehicle's roof profile. Thule makes hundreds of different kits to ensure a custom fit between the appropriate foot pack and the specific make and model of your vehicle. . Patented MaxClamp technology provides the most secure fit possible. Integrated AcuTight tool lets you know when the rack is correctly attached and tensioned. Includes 4 custom brackets (rubberized to protect your vehicle) and 4 rubber pads. Please consult the Thule Fit Guide to match the correct Thule parts with your vehicle.. 91021647138 19640400012 KIT1720