Product Description Pneumatic gas cylinder lift for office chair height adjustment Typically installed on chairs rated up to 350 lb. 5” stroke (seat travel from lowest to highest settings) Heat treated gas spring diameter 1.1” Black powder coated column is 2" in diameter Dimensions when fully compressed: 11.25”. Fully extended: 16.25” Industry standard 17-4 taper on both ends Under base extension: 1" Class 4 with 300N Exceeds BIFMA standards Cylinder shipped completely assembled ready for use
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