Rubbermaid .5 in. H x 1.7 in. W x 80 in. L Steel Fast Track Rail 1 pk (Pack of 10)Fast Track is an adjustable, easy to install shelving system with superior strength. The all steel rail and upright system is completely adjustable to help you build a durable solution to match your specific storage needs. Various shelving depths are available from 12 inch 20 inch deep to help you maximize your storage space. Fast Track is ideal for pantries, laundry rooms, linen closets and utility rooms and gives you the safe, sturdy storage space