They offer a wide step with treaded pads, allowing for excellent gripping capabilities in any weather condition. The grooved design of these pads allows water to drain from the stepping surface, so a chance of slipping is significantly decreased. These step pads stay in place throughout the life of your truck step.The difference between our nerf bar & running board is that nerf bar provides stepping pads at each entry point into your cabin whereas running board provides a stepping pad that runs the entire length of the board. In addition to the non-slip surface, both kind of bars provide a stable surface for stepping up into your truck or SUV. Heavy duty mounting brackets and hardware are included with installation. The added safety benefit exists without damaging your truck. The item "3 S/S Chrome Side Step Nerf Bars Running Boards 07-18 Chevy Silverado Crew Cab" is in sale since Wednesday, February 11, 2015. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exterior\Nerf Bars & Running Boards". The seller is "streetune" and is located in Walnut, California. This item can be shipped to United States, Canada.