MAIN OVERVIEW FEATURES: Material: Cold Rolled SteelWidth: 19"Package Contents: 1U Blanking Panel 2U Blanking Panel 4U Blanking Panel 8U Blanking Panel 16 x M6 Screws 16 x M6 Cup Washers 16 x M6 Cage Nuts Installation Guide Environmentally Friendly: YesEnvironmental Certification: RoHSLimited Warranty: 5 Year