Executive high-back chair, part of the Ampere collection, offers a soft leather seat and back. Functions include pneumatic seat-height adjustment (from 26-1/2" to 29-1/4"), 360-degree swivel, tilt, tilt tension and tilt lock. Five-star base has 2-1/2" hooded dual-wheel casters. Seat size is 19" wide x 19-1/2" deep. Back measures 19-1/2" wide x 26" high from seat. Distance between arms is 19-1/4". High-back chair meets or exceeds applicable ANSI/BIFMA standards.