Photo 1 of 11 Inches-17 Inches Office Chair Gas Lift Cylinder Replacement, 5.5" Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty 1000lbs, Fit for Most Office Chairs, BIFMA/Class 4, Black

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Photo 1 of 11 Inches-17 Inches Office Chair Gas Lift Cylinder Replacement, 5.5" Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty 1000lbs, Fit for Most Office Chairs, BIFMA/Class 4, BlackPhoto 2 of 11 Inches-17 Inches Office Chair Gas Lift Cylinder Replacement, 5.5" Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty 1000lbs, Fit for Most Office Chairs, BIFMA/Class 4, Black