Thule 8897 SquareBar Adaptor Pack of 4 for Ski or Kayak Carrier An around-the-bar adaptor for fitting winter and water sports carriers on square roof bars. Suitable for fitting to the Thule SquareBar. Features: Easy to fit, allows fitment to traditional style square roof bars. Pack of 4 Included. Suitable for: Thule SnowPack, Thule SnowPack Extender, Thule DockGlide, Thule DockGrip, Thule Hull-a-Port Aero. Brand: Thule. Product Type: OUTDOOR_RECREATION_PRODUCT. Package quantity: 1. No batteries required. Country of Origin: Sweden.