APS iBoard Running Boards 4" Black Custom Fit 2007-2018 Chevy Silverado/GMC Sierra Crew Cab & 2019 2500 HD / 3500 HD Crew Cab (Excl. 07 Classic Models) (Nerf Bars | Side Steps | Side Bars) Package includes: (2) iBoard running boards, mounting brackets and hardware kit for an easy DIY install AIRCRAFT GRADE 6061-T6 ALUMINUM BUILD - Solid aluminum running boards, iBoard side steps offer the best in corrosion protection, durability, and strength (300 LBS load capacity) FULL COVERAGE STEP PAD - 4" wide corrugated rubber step pad covers the entire running board, providing a secure, slip-proof, comfortable step for the whole family UNIQUE LOW PROFILE DESIGN- Upgrade your truck's style with iBoard's patented low profile design. Look different with iBoard running boards! Easy to install Rocker Panel Mount and custom fit for your: 2007-2018 Chevy Silverado / GMC Sierra Crew Cab & 2019 2500 HD / 3500 HD Crew Cab (Excl. 07 Classic Models)