Tilt control The maximum inclination angle of the seat back is 155 / 135 Fit Single lever for gas cylinder height activation - Accepts standard tapered gas lift cylinders Rated up to 1000 lbs : Heavy duty replacement office chair tilt mechanism Easy Removal And Set-Up : Even a non-pro can install this mechanism chair. It is much more ecological and economical to repair the office or gaming chair. Top Quality Replacement Mechanism Tilt Control That Fits Most Executive Chairs : Get a new premium quality mechanism that fits most gaming chairs, executive chairs, and office swivel chairs. It is very important to measure your mounting hole dimensions before ordering. "