Tek Draughtsman Chair, for draughting or counter work. Ideal for use in the school laboratory, workshop, design room, etc.. The chair features an ergonomic contoured seat constructed in polypropylene, with a lumbar back support on sprung steel. It has a gas-lift seat height adjustment with a polished steel base, and foot ring for 'off-floor' support. The chair is ideal for light use, but is not recommended for heavy-duty commercial use. The stool requires simple assembly and comes with a 1 year guarantee.