Working in combination with the Thule 400XT Aero foot, this kit helps create a safe and custom fit to your vehicle. Protective rubber base pads attach to the base of foot and won???t harm your vehicle???s molding or finish. . . . Please consult the Thule Fit Guide to match the correct Thule parts with your vehicle. . Includes 4 clips, rubberized to protect your vehicle. . Includes instructions with measurements. . 4 rubber pads. . Weight: 2.5 lb.. . 91021121812 19614400012 KIT2181