Replacement Chrome Gas Lift Pneumatic Cylinder - Medium Drafting Stool Height - S6132<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>2" (50mm) wide x 12.4" (315mm) tall chrome support tube column (larger diameter chrome tube) will fit most chair and stool bases</li><li>8" piston stroke adjustment range (up &amp; down)</li><li>22.25" (565mm) total overall extended length</li><li>Chrome support column</li><li>Ideal to replace gas lift cylinders on most tall task chairs， drafting chairs， and stools， including those purchased at office supply stores.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/214yw0HeQpL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31oD7XNSEXL.jpg" noproxy>