The Task Master® Economy Workbench Chair is a black polyurethane chair with a contoured, over-sized seat design. Featuring a backrest tilt and height adjustment, the Task Master chair is versatile with a 360 degree swivel. An easy-to-use ergonomic knob adjustment controls backrest depth and height. The two-inch microcellular seat cushion with self-skinning polyurethane foam offers excellent comfort. Chair rests on a sturdy, 26" diameter steel base.