Rubbermaid FastTrack Rail, Hardware, 40", White (FG3Q7000WHT) Rails mount directly into wall studs using the FastTrack installation hardware pack (sold separately) Heavy-duty steel construction for durability Works with the Rubbermaid FastTrack upright for a complete shelving system (sold separately) Available in 40-in. And 80-in. Lengths Perfect for pantries, linen closets, laundry rooms, utility rooms