Rhino-Rack Quick Mount Base Wedge - 5mm - PairThe 5mm Quick Mount Base Wedge is designed to create a level bar when fitting an RLT600 Quick Mount Leg to a track position that is curved or angled. It is very important to create a level leg position especially when fitting Pioneer systems onto the RLT600 legs. This will ensure the Quick Mount Legs to easily click in and out. Sold as a pair. This Part Fits: Year Make Model Submodel 2015 2020 Chevrolet Colorado Base 2015 2022 Chevrolet Colorado LT