Rhino-Rack Chevrolet/GMC RL Leg Bracket - 150mm - 2 pcsThe Rhino Rack RL Leg Brackets are specially designed heavy duty legs to fit to gutter mounts on a vehicle. RL Legs come in a variety of shapes designed to fit specific vehicles. There are four main leg heights depending on how much clearance your roof racks need. RL legs come in 110mm, 150mm, 210m and 280mm heights. This Part Fits: Year Make Model Submodel 2003 2014 Chevrolet Express 1500 Base 2003 2014 Chevrolet Express 1500 LS 2006 2014 Chevrolet