Bankers Box 00511 STAXONSTEEL Storage Box Drawer, Letter, Steel Frame, Black (Case of 6) Stacks 10 high - The higher the drawer system stacks, the more space, time and money you save Steel framework interlocks vertically and horizontally to withstand the heaviest day-to-day usage and inside dimensions (inches)-1.05x 1.2 x 2.4 Our strongest system is also the easiest to assemble. Drawers snap together with poly-lock technology and are reinforced with steel wire Factory installed, high-impact drawer handle with index card holder for fast file retrieval (index cards included) Maximum Strength - Built for heavy daily usage and maximum stability