What is the Thule Pro Bar for T Slot Tonneau Covers?

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The Max Track is a t- slot rail system that works with many racks & accessories from Yakima, Thule, Rhino- Rack, and more! By adding a rack system to these

The Trax Rail System will work with most T-slot accessories from Yakima, Thule, Rhino Rack, and many more offering endless possibilities (Accessories Sold tonneau covers that include the new track systems for rack take up bed Only thing I could find with the t-slot rails was the pace edwards or

slot lucky lady''s charm 2021+ Ford F150 - Tonneau Cover with t-track rails? tonneau covers below or learn more about our other tonneau covers or exterior accessories BAK Revolver X4ts Hard Rolling Tonneau Cover With T-Slot Rails -