This modern office chair is a great way to complete your work space. It's mounted on castors and has the tilt and swivel you'd expect from a high quality office chair. It also has adjustable arms, backrest and the seat height can be moved using the simple gas lift mechanism. Metal frame with Fabric. Mounted on castors. Tilt, swivel and lock mechanism. Adjustable arms. Adjustable backrest. Gas lift adjustable seat height. Seat height adjustable from 46 to 56cm. Seat W53, D51cm. Maximum user weight tested for 110kg. General information: Black and grey. Overall size H126, W65, D58cm. Weight 16.3kg. Self-assembly.