APS iBoard Running Boards 4" Matte Black Custom Fit 1999-2016 Chevy Silverado/GMC Sierra Regular Cab (Excl. C/K Classic) (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 Body Frame Mount (No Drilling Required) and custom fit for your: 1999-2016 Chevy Silverado / GMC Sierra Regular Cab (Excl. C/K Classic)