All of our chair mechanisms are made in the U.S.A. from quality materials and will last for decades. We believed in repairing, restoring and reusing high quality office furniture.

• Accepts standard gas cylinder
• Lever for gas cylinder activation
• Accepts 2.25″ wide back upright
• Works with S4513-5 back upright
• Threaded hand wheel holds back upright in place
• 2 degree pitch
• Black