Heavy duty swivel Gas Office Chair Mechanism. Applicable to tasking chair and secretary chairs 2 Control Levers: 1. Adjust chair height. 2. Adjust angle of back cushion Restore Your Old Chair Office Chair Mechanism 1000 Lbs This tilt control mechanism withstands heavyweight and can hold up to 1000 lbs. Enjoy smooth and soundless 360-degree rotation on your office swivel chair. Fit also on the gas cylinder and many others. Replacement office chair tilt control mechanism works great for restoring or repairing many office chairs, task chairs, and executive chairs that have the same screw mounting hole pattern office chair desk chairs computer swivel executive small desks reclining lift cheap parts heavy duty It's a nice feeling to save money. Repairing your office chair is a smart and responsible choice. You love your office chair, it is comfortable and you enjoy it very much but it is broken. Often the mechanism underneath is cracked or the cylinder has no pressure. You are lucky to repair your chair.