Ignition 2.0 ReActiv Low-Back Task Stool, 22.88" to 31.75" Seat Height, Flint Seat, Charcoal Back, Black Base ReActiv, low-back design—perfectly balanced support for full zonal comfort. Height-adjustable, back-cushion-style lumbar support. Synchro-tilt mechanism with seat slider for a full range of reclining positions. Tilt tension controls the rate and ease of recline. Upright tilt lock secures the chair in a full upright position. Pneumatic seat-height adjustability accommodates various body heights. Ideal for administrative and technology functions. Our Price Buys you: 1