An exceptionally robust & highly adjustable chair suitable for 24 hour usage, for users up to 24 stone. Features Include: Extra-thick moulded foam seat & shaped back, for up to 24 hour use & users up to 152kg High ratchet back for neck support Heavy duty mechanism with independent controls Available with 2D height adjustable arms Classic style 5 star base with castors as standard Tested to BS 5459 (2000) Part 2 certification Suitable for users up to 152kg Available in black leather-look, & blue or black in a wool mix