Steelman 5-Rail Socket Tray holds up to 80 sockets in 1/4", 3/8", and 1/2" drive sizes, for use on roll carts and designed to fit into most rolling cabinet and tool chest drawers. Each rail includes sixteen (16) clips, one with 1/4"-drive, two with 3/8"-drive, and two with 1/2"-drive, designed to align sockets for fast, easy selection. The tray is constructed of heavy-gauge steel and measures 17-1/2"L x 7-9/16"W x 2-1/2"D overall.