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.

• Spring adjustment knob
• Threaded post, washer and bell
• Width – 5-1/2″ slotted to provide 3/8″ in or out adjustment
• Length – 6-1/4″ slotted for adjustment
• Black