Classic modular files featuring electrically-welded heavy-gauge steel construction double-thick wraparound corners integral cap and sturdy inner frames. Five-drawer files store up to 500 sheets per unit active filing 750 sheets semi-active and 1000 sheets inactive. Ten-drawer files allow for easy retrieval of materials with ten separate 1" deep drawers. All files stack securely up to five units high with anti-slip pads between units to eliminate shifting. Additional features include museum/archival-quality paint finish steel side roller assembly with case-hardened ball-bearing rollers for smooth drawer operation rear bumper pads drawer safety stops heavy-duty drawer rails for precision alignment rear drawer hoods and hinged front depressors.Black 6" high closed base. Overall dimensions: 6" x 53 3/8" x 38 5/8". Base only for 4998 series.