Features superior durability, rollability and streamlined looks. Designed for the active individual who needs the strength of a reinforced heavy-duty frame. Its many options include components that are interchangeable with the 9000 and Tracer series. Dual axle positions allow variation of seat-to-floor heights. Durable, low-maintenance, triple chrome-plated, carbon steel frame is long-lasting. Heavy-duty inner liners keep seat and back from stretching. Dual-sealed precision bearings. Reinforced frame includes gusseted sides, caster journals and dual crossbraces. Urethane rear tires mounted on "no flex" wheels offer superior performance. 5-year warranty on frame and crossbraces. Front riggings sold separately. Specifications: Desk-length, fixed height arms are padded & removable Seat width: 22" Seat depth: 18" Seat-to-Floor height: Adult - 19.5", Hemi - 17.5" Back height: 16" fixed Product weight: 42 lb Weight capacity: 350 lb