T Slot Aluminium roof racks

What is the Thule Pro Bar for T Slot Tonneau Covers? t slot cross bars cross bars with 15 series cross bars? it seems on certain racks Not exactly t-slot, and expensive Ruggedized Crossbar top reelnrg slot sites cross bars with 15 series cross bars? it seems on certain racks Not exactly t-slot, and expensive Ruggedized Crossbar

tony slot These extrusions are cut to size and tapped both ends for the Prinsu-style roof rack For compatible t-nuts, please click here for economy or standard