FOR SALE Polyester Black Seat - Black Frame - 5-star Base - Black - 18.5" Seat Width x 18.8" Seat Depth - 25.8" Width x 25.8" Depth x 40" Height Volt task chair with synchro-tilt offers comfort, function, and style and adapts to each user with simple comfort controls for added flexibility. Generous proportions and a contoured back deliver optimal comfort. Functions include pneumatic seat-height adjustment, 360-degree swivel, dual-action synchro-tilt, tilt tension and tilt lock.