Bankers Box Super Stor/Drawer Storage Drawers, Letter, 6 Pack (00371) Stacks 7 high - The higher the drawer system stacks, the more space, time and money you save Steel-reinforced plastic support frame interlocks vertically and horizontally for added stability and strength Reinforced plastic handle for easy drawer access Accommodates hanging folder frames for easy file reference Bankers Box Super Store/Drawer Recycled Stacking System. Maximum Strength - Built for heavy daily usage and maximum stability. Fits most hanging folder frames. Ideal for your front office decor. Steel-reinforced plastic support frame.