Alpha Series Desk Height Office Chair with Black Nylon Base, Fabric

The Alpha Series Desk Height Office Chair are designed to work for you and not against you. Let the ergonomics of Alpha help you to get more done.

Beautiful, yet simple aesthetic that gives any office space a fresh look!

Features & Adjustments:

• Seat: 20" W x 18" D, 2" seat depth adjustment
• Back: 18" W x 21.5" H, built in lumbar 2.5" ratcheting height
• Base: 27" diameter Black Nylon
• Casters: 60mm soft dual wheel
• Weight capacity: 300 lbs.

Synchro-Tilt Control Mechanism:

• Back/seat recline in a 2:1 ratio
• 4 lockable positions
• Seat depth adjustment
• Easy access side tension spring adjustment

Arm Options:

• 4-way adjustable: (in-out, up-down, forward-backward, 30 rotation range) Polyurethane arm pads
• 2-way adjustable: (in-out, up-down) Spring loaded arms for sturdy feel Polyurethane arm pads

Ergonomic Adjustments:

• Back Height: Ratcheting back is easily adjusted by lifting it to the desired height. Lifting the back to its highest point returns the back to its lowest position.
• Seat Depth: Adjusted by lifting the left paddle, which controls the sliding seat mechanism.
• Seat Height: Adjusted by lifting the right paddle, which controls the pneumatic lift.
• Seat Tension: Adjusted by twisting the knob on the right side of the mechanism. Adjust to desired tension to maximize support.
• Lockable Positions: 4 lockable tilt angles are control by knob on the left side of the mechanism. Twist clockwise to lock and counter-clockwise to unlock. Anti-kick feature prevents the chair from pushing you forward when unlocking the angle.