●Compatible with Chevy Silverado / GMC Sierra 1500/2500/3500 2001-2006 Crew Cab & Classic 2007 ●Made of Stainless Steel square tube and drop step pads, triple-layer black powder coated finish for aggressive tough look. ●APS unique patented design for light duty urban use combine with fuel efficiency and functioning. Limited 5-year warranty against manufacturing defects. ●Precision engineered to support 500 lbs in weight capacity. ●Easy to install, comes with all mounting hardware and DIY instructions.