Yakima tracks - what size T-nut?

Yakima tracks - what size T-nut? yakima t slot rack The Yakima 8001161 T-Slot LoadStop offers a perfect way to securely carry ladders, lumber and other loads on your vehicle roof rack, 4x4 rack or platform yakima t slot adapter A complete base rack system for truck bed Tonneau covers with t-slots or truck capscamper shells and vehicles with tracks Includes: 4 SkyLine towers, 2

yakima t slot adapter Last truck I had the Retrax with the t slot rail and Yakima skyline towers The retrax was okay but took up too much bed space for me (and

yakima smartslot kit 1 Mid-Height Heavy Duty Truck Bed Rack Aluminum Construction; Off-Road LoadStop, T-Slot T-Slot Mounted Loads Stops Integrated tie-down points Up In order to be able to remove the track tower from the roof rack tracks without landing pad 1 you need a way to be able to slide the Tslot bolts