SEFBKYWS Kayak Foam Block - Thule AeroBlade
Buy Now: Seattle Sports Replacement Kayak Foam Block - Extra Wide - Single
This is a Seattle Sports kayak foam block attached to a Thule AeroBlade crossbar. This foam block tightly grips the AeroBlade, but requires a bit of force to install due to the bottom lip that goes under the crossbar. The widest part of the opening is approximately 3 inches.