These side steps are a nice option for your 144" or 170" Sprinter van. Less expensive than some of the other options on the market, but still sturdy enough for 200+ pound van dwellers. Powder-coated aluminum construction with aggressive, modern style Aluminum step pads with circular treads for a long-lasting, non-skid step Step pads attach with self-tapping screws for custom positioning Durable, textured black powder coat for a sleek, professional finish TPO plastic end caps can easily be painted for a customized look 6" x 2-3/4" oval boards offer contemporary style and a comfortable step Easy, custom-fit installation with vehicle-specific mounting brackets High-strength steel brackets feature a durable black powder coat finish Optional black plastic backsplash available for 88" (#570090) in 98" (#570098) Limited lifetime warranty (five-year finish, one-year parts) Assembled in USA Notes: Includes one pair of side steps and mounting hardware for 2007+ Sprinter vans. Boards are open on the bottom, not fully enclosed