The HON COMPANY HON5713GA10T Mesh Task Chair 24.25 in. x 25 in. x 32 in. Black Volt task chair offers a unique combination of style, scale, comfort and functionality. The larger seat and back provide maximum comfort, and the 360-degree swivel mechanism with tilt, tilt-lock and tilt tension options allow you to adapt the chair to your personal needs. Tilt tension controls the amount of resistance felt as you lean back, accommodating a variety of tasks and body types. Tilt lock keeps the chair in an upright position when necessary. Synchro-tilt allows seat and back to recline at different rates, supporting a more ergonomic posture. This ergonomic task seating design includes a mesh back, fully padded seat and 2-1/2 hooded, dual-wheel casters. Seat size is 19-1/4 wide x 17-7/8 deep. Seat-to-floor height ranges from 17-3/4 to 21-3/8 . Back measures 18 wide x 18-3/4 high from the seat. Chair also features a plastic outer back and black frame. Chair meets or exceeds applicable ANSI/BIFMA and ISTA performance standards. Height-adjustable arms are sold separately.