HYEJDRV 300LBs Office Chair Tilt Control Mechanism Replacement Parts(Not Standard/Universal Size),W/ 5.9" × 8.6" Mounting Holes Chair Base Heavy Duty Plate Swivel Tilt Control Seat Mechanism

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• ATTENTION: Please measure the tilt seat mechanism size and check bolt style before purchasing in case not fitting.
• Tilt Mechanism For Chair - Heavy duty replacement office chair tilt control mechanism with 5.9" wide x 8.6" long screw mounting hole center distance. The mounting holes maximum length is 9.05", minmum length is 8.26". Please Measure the bolt holes before replace your chair mechanism.
• HEAVY DUTY 300LBs- This seat mechanism with one lever for locking and seat height adjustment. The tilt plate thickness is 3mm, loading up to 300LBs.
• NOT STANDARD/ UNIVERSAL SIZE: 8.6" length x 5.9" width screw mounting holes center distance with 1.1" (28mm)hole diameter. - This tilt mechanism is smaller shorter than the standard butterfly mechanisms. Please measure your screw mounting holes dimensions before ordering.
• Adjustment Tilt Seat Control Mechanism - Pushing lever in to lock tilt, pulling out to unlock tilt. The mechanism allow you to rock back and forth in the chair, twist hand wheel to tighten or loosen (adjust) back and forth tilt tension, and the seat rock angel is in the range of 3-15 degree.