Aries 2051010 5" AeroTread Running Board with Brackets Includes AeroTread running boards 2051870 and mounting brackets 2051144 Sleek design with rounded ends to complement the look of modern CUVs and SUVs Extruded aluminum base to be lightweight and rust-free Polished stainless steel front trim piece for a distinct, rust-free accent Flat profile and 5" width provide a comfortable step