The Shure High-Density Heavy Duty Drawer System features an endless amount of configurations. All drawers include dividers and partitions, available in 36" and 48" widths, 18" and 24" depths and 3", 6" and 9" heights. Drawers with 3" heights have a capacity of 250 lbs, while the 6" and 9" drawers have capacities of 400 lbs. The HD-2 Units include back panels and end panels or closed configurations. No mounting kit is required to install drawers and additional drawers can be purchased as single or multiple units.