The Harloff's Classic Tall Six Drawer Workstation Standard Package 6650 is of sturdy, uni-body construction that has the following standard features: a tall cabinet with key locking system and 2 keys, a short overhead shelf system with two 14-inch deep overhead monitor shelves, extended width full wrap-around steel bumper for stability when shelves are loaded and extended width full wrap-around vinyl padded bumper that increases the shelves' stability. It also has the 5" ball bearing full swivel casters with one directional and one brake, an aluminum push handle and side rail, a removable plastic top and ball-bearing full extension drawer slides. The cart is delivered with wheels installed but some accessories may require user installation. This package has a full range of accessories and drawer organizers available on Harloff's website. Go check them out.