IBoard, by APS is a new generation of running boards designed to look and feel different. Most running boards in the market are round or oval.IBoard's flat profile design is clean and modern - giving your truck a truly distinct look. Diesel models with DEF tanks-Cutting Required (Excludes 07 Classic Models)Incl. 2019 Silverado 1500 LD & 2019 Sierra 1500 Limited. Package includes: (2) iBoard running boards, mounting brackets and hardware kit for an easy DIY install. Aircraft Grade 6061-T6, Solid Aluminum Construction that supports up to 500 LBS. FULL COVERAGE STEP PAD - 5 wide corrugated non-slip 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!