Factory Standard Pack = 6: Duct Cover, Polyvinyl Chloride, 0.75 Inch Width x 6 Feet Length, Light Gray, Base and covers sold separately, Non-slip cover design incorporates integral high friction lining to inhibit cover movement, Cover flush with base provides greater wire capacity and improves aesthetics, Easy cover removal makes changes to wiring quick and easy, Available in various colors.: Prices available while supplies last.