A versatile choice for the home or office, this TC Office ID Ergonomic Chair features an ergonomic design and plenty of adjusting features to suit. This chair features an adjustable lumbar pump for additional comfort and back support, as well as a seat slide adjustment which moves up to 50mm, and adjustable arms for further comfort.A three lever asynchro mechanism with torsion control also features, to allow the user to fully adjust to suit their height and posture, for a customised and supportive option whilst working.. Classic-style ergonomic office chair. Ideal for both home and office. Lumbar pump. Seat slide adjustment - 50mm . Ratchet back adjustability - up and down functionality . Ratchet back height adjustment - 80mm . Adjustable arms. Chromed caster base. 3 lever asynchro with torsion mechanism. Approximate dimensions (mm) H1060-1200 W710 D660. Weight 14KG* Self Assembly Required* Please note that this product is delivered direct from our supplier and may take a little longer to arrive.