Dee Zee Hex Series Wheel to Wheel Side Steps Model DZ66341WTBDee Zee Hex Series Wheel to Wheel Side Step Model DZ66341WTB Dee Zee Hex Series Side Steps (board) The Hex Series Side Step is made of extruded aluminum and overlaid with textured black powder coat protection to stop corrosion in its tracks. NRT(TM) (No Rust Technology) is a specially developed additive that increases corrosion protection within the powder coat. The integrated channel design allows you to adjust the position of the cast aluminum drop