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Adjustable height 27" chair base

Style # SKU M9403G-2

Tip over resistant 27” wide heavy stable polished metal chair base.
Chrome Gas cylinder raises or lowers chair seat over 2 1/2”.
4 leg base is extra strong due to additional strength leg supports. 
7” X 7" strong 360° swivel seat plate can install chair attaching slotted holes 5 3/8" apart.
Rubber floor glides on each leg prevent flooring damage.


Floor to top of square plate low is 11 1/2", high is 14". Good quality class 3 (better than class 2) Chrome plated gas cylinder-

Chair mounting holes in 7" X 7" steel plate are slotted making installation easier and are 5 3/8" apart. Install bolts in plate 5" to 5 3/4 apart

Higher heights are available.

Insert without tools the Chrome gas cylinder into the center hole of the 4 leg chair base. Just sitting in the chair more than once will make it extremely tight and difficult to remove without tools.