The Channel Guard Kit for Elevate Truck Rack Rails + Retrax XR Rails helps to keep debris out of your T-Slot Rails as well as diminish any wind noise.
The Channel Guard Kit comes in a 188" roll that cuts to size with a razor knife. This is enough to do both rails on any truck bed, even an 8' long bed. Simply cut to size and press into the T-slot rail channels.
The part number for this item is 1118469