FITMENT: Running Boards Compatible with 2007-2018 Chevy Silverado/GMC Sierra 1500 Crew Cab, 2007-2019 Silverado/Sierra 2500HD 3500HD Crew Cab, 2019 Silverado 1500 LD Crew Cab, 2019 Sierra 1500 Limited Crew Cab (4 full-size doors). NOTE: Not Suitable For 2007 Silverado 1500 Classic or All the Diesel Engine Models. If You Accidentally Bought The Wrong Model, Please Keep In Touch with Us And We Will Re-issue The Correct Bracket For You Without Returning The Product. MATERIAL: Running boards for Silverado Crew Cab,Made with Stainless Steel And Anti-slip Plastic Steps. 6-inch Wide Step, Offer A Secure Footing From Which You Can Step Up Into Your Truck. INNOVATIVE DESIGN: This Product Is Newly Designed And Has Obtained A Patent In The Us. Slider Design, Able To Adjust Position On Vehicle Forward and Backwards For Better Customization OE STYLE: Non-Welded Design Of Product, There Are Four Brackets with Plastic Covers On Each Side. The plastic cover installed on the bracket not only enhances visual appeal but also effectively prevents rust formation, ensuring lasting durability EASY TO INSTALL: Just Mounted It, Direct Bolt-On, No Need To Drill. And Also Each Bar Can Support Up To 500 LBS. Step Bars Made For 2017-2018 Chevy Silverado Crew Cab. Running Boards Did Not Have Steps Are To Help Your Vehicle Slide Over Rocks. They're Stronger And Positioned To Protect The Rocker Panels Underneath Your Vehiclecompatible With:07-18 Chevy Silverado 1500 Crew Cab07-19 Chevy Silverado 2500hd 3500hd Crew Cab07-18 Gmc Sierra 1500 Crew Cab07-19 Gmc Sierra 2500hd 3500hd Crew CabDoes Not Fit Diesel Models And 2020 2021 SilveradoKEY FEATURE：-Material: High Light Stainless Steel.Compared with aluminum, it is stronger and not easy to dent.-High-Quality Grade: Plastic Covered Slip-Resistant Step Pads Have A Textured Surface To Provide Plenty Of Grip For Your Feet. the Surface Will Not Slip When Wet Or Muddy-Perfect Size：6-inch Wide Step, Offer A Secure Footing From Which You Can Step Up Into Your Truck-Four Brackets On Each Side：the Truck Has 4 Positions To Fix The Bracket, But Most Products Only Have Three Brackets. We Are Not Only Equipped With 4 Brackets But Also With Plastic Covers. Make The Stand Not Only Strong But Also Beautiful-Matched length:85" length Stainless Steel Pair Side Step Running Board Perfectly match the body of your Silverado crew cab. PACKAGE CONTENT：-2 X Running Boards、4 Brackets On Each Side 、plastic Sleeve And Hardware -Package Size：87*10*8 -package Weight：57lb