- Pneumatic / gas cylinder Heavy duty lift for office chair height adjustment
- 4” stroke (seat travel from lowest to highest settings)
- Gas spring diameter 1.1”.
- Column diameter 50mm 1.93" and chrome plated.
- Dimensions when fully compressed: 9.75”. Fully extended: 13.75”
- Both ends of cylinder have industry standard 17-4 taper
- Under base extension 1.5”
- Class 4 with 400n. Exceeds BIFMA standards. Typically installed on chairs rated up to 350 lb.
- Cylinder shipped completely assembled ready for use
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Never knew I could change this lift piston . very easy to do , better than original ,fast shipping, Thank You