Alpha - M/B with Chrome Base (no Arm)The Alpha medium back chair is a fully ergonomic seating solution designed for both style and functionality in modern workspaces. It features a heavy duty 4 lever mechanism, allowing users to independently adjust the seat tilt, back angle, and seat height for a fully customised sitting position. The ratchet back height adjustment supports tailored lumbar positioning, while the gas lift mechanism ensures smooth and precise seat height changes.