Yakima Overhaul HD truck bed rack and accessories

Yakima JetStream Bars Aluminium T-Slot Aerodynamio Roof Rack Silver 178cm 2 Pack - Yakima

Or does the rack with the T-slot adapters fitted then slide into the T-slot bar? I am a bit confused Bars: Thule Wingedge Rack: Yakima HighRoad T-slot adapter

yakima smartslot kit The Load Stop, t-slot quickly installs and adjusts with the turn of a knob and includes integrated tie-down points to makes it easy to secure lumber, ladders,

yakima smartslot kit 2 The Yakima Whispbar has a built in rubber T-track filler, and Flush bars are always aluminium, with a T-track slot into which accessories are fitted