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

Thule T-track Adapter 697-6 - thule t slot At the Thule Test Center™ in Hillerstorp, Sweden, products go through extreme testing Our roof rack systems are designed to carry your gear and fit your thule t slot Thule Evo ProBar Heavy duty load bar Aluminium; Unique tri-slot for multiple accessory fitment; Features user and rear T-tracks for fast

thule t slot bolts This adapter allows the Portage & Board Shuttle carriers to be used on T-track bars (including the Thule WingBars, SlideBars and