Steel ball bearing suspension; full extension on file drawer, 90 percent extension on box drawers, High-sided file drawer allows front-to-back letter size filing and includes follower block and crossrail, Counterweight inhibits tipping when opening more than one drawer, Fits under 29-1/2"" high workstations, Fixed front casters and swivel back casters for easy mobility, ""One Key"" core removable lock makes re-keying quick and easy, Color(s): Black; Width: 15 in; Depth: 19 7/8 in; Height: 28 in, SKU: AZHON18820AP