Used Kimball International Gotcha Task Chair. These Gotcha Task Chairs feature swivel arms, arm height adjustment, sculpted back and seat with pneumatic height adjustment. Our used Gotcha task chairs also feature a seat angle adjustment and back lock limiter, allowing the back to be ergonomically locked into 6 positions. These Kimball International Gotcha task chairs are in good condition; rated 3 of 5. Located in San Diego. Price does not include delivery.