STANDARD SIZE - Replacement office chair tilt mechanism fit for the office chair with 10.15" long x 5.9" wide screw mounting holes center distance. The mounting holes maximum length is 10.59", minmum length is 9.72".
HEAVY DUTY 300LBs - Replacement office chair swivel tilt control seat mechanism rated up to 300LBs.
TILT CONTROL - Push lever in to lock tilt, pull out to unlock.
FUNCTION - Single lever for gas cylinder height activation, accepts standard 28mm inner diameter tapered gas lift cylinders.
EASY TO USE - Twist hand wheel to tighten or loosen (adjust) backward tilt tension.
