Thule EVO Fitting Kit for Flush Rails - 6052 Canoe & Kayak Racks these dials on the top

these dials on the top of the claw clamp fixings fit around a range of bar types and audibly click off once the correct tension is reached

Thule EVO Fitting Kit 5021(145021) for vehicles without rails or fixing points

this is thanks to Thule's PowerClick mounting hardware which uses a torque limited claw clamp to securely fasten around many roof rack types

Thule EVO Fitting Kit 5012(145012) for vehicles without rails or fixing points

This runs through a lockable release point for additional security

Thule EVO Fitting Kit for Flush Rails - 6052 Canoe & Kayak Racks these dials on the topThule EVO Fitting Kit 6052 (186052) for vehicles with flush rails running along the length of the roof on both sides.