This Sandusky Lee 5-Drawer Flat File Cabinet features a central locking system and is ideal for work in progress or archival storage of valuable documents, graphics, artwork and more. This unit can be used alone or stacked with up to 2 more units for comprehensive space. Museum-quality paint finish won't out-gas, and the interior contains no acidity or alkalinity in the finish. Extra-strength drawer rails ensure proper alignment for smooth operation. Heavy steel side roller assemblies with case-hardened ball bearing rollers ensure easy-open/close. Courtesy stops keep drawers from rolling while in the open position. Sheets are protected by a rear hood and hinged front depressor that prevents them from curling. Label holders and rounded chrome drawer handles deliver the function you need. Positive closures ensure drawers stay tightly shut. Load capacity per drawer is 33 lbs. Files can also be stacked on an optional 4in.H closed base or a 20in.H open base which includes a lower shelf for extra storage. Cabinet panels and drawer fronts are 22 ga.; internal supports are 16 ga.; drawer body is 24 ga. Ships assembled except for handles and label holders.