The 7700 Series task chair comes in models for varying styles of work. The Task chair offers seat height, back height and swivel. Meanwhile, the Multi-task models have a free range of motion that moves with you throughout a hurried, varied workday. A fully finished back adjusts easily to the height that works for you. The high-performance task chair has asynchronous control for optimum all-day comfort. Optional arm kits. The HON® Limited Lifetime Warranty is your assurance of quality, value and dependability. Meets or exceeds ANSI/BIFMA and ISTA performance standards.