About this item

• 2" (50mm) wide x 12.4" (315mm) tall main support tube column will fit most chair bases (larger diameter black tube)
• 8" piston stroke adjustment range (up & down)
• 22.25" (565mm) total overall extended length
• Black
• Ideal to replace gas cylinders on most tall task chairs, drafting chairs, and stools, including those purchased at office supply stores.