Sandusky Lee E204L-22 400 Series 4 Drawer Lateral File Cabinet, 18" Depth x 50.25" Height x 30" Width, White Full drawer extension on genuine progressive telescoping ball-bearing slides provide smooth, trouble-free operation Built-in drawer interlock system prevents more than one drawer from opening at a time, reducing the chance of cabinet tip over Single lock system secures all drawers with one key (two keys included) Adjustable leg levelers keep cabinets level in any environment Extra deep drawer accommodates letter or legal size files using side to side hanging rails