A steel tube frame supports tempered glass top. All of today's computer work can be handled efficiently with this corner unit. The Acero is practical and stylish. Black epoxy coated steel tube. Keyboard tray. Tempered glass. Height at highest shelf is 37 1/2". Regular desk top height is 29". From each corner to center measures 61 1/2" wide (each side is 61 1/2" wide).