Design and Details: Perfect multipurpose holder for carrying paddles, oars, masts or any other long adventure gear Securely holds up to two full-size paddles, oars or masts T-track mounting system quickly attaches to thule wingbar, thule aeroblade, thule xsporter and tracrac load bars adapter required for thule squarebar Sleek design and low profile reduces noise and drag Individual straps allows for a snug fit on each side of the holder Durable rubber padding protects paddles, oars and masts during transit Specs: Diameter: 2.2"" / 5.5 cm