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Matte Black metal base complete kit. Adjustable Height Swivel & Rock

Style # SKU K7223G-3318

26” diameter.
Over 2 1/2"± adjustable height.
Rock and swivel office mechanism 6"X10" bolt holes.
Includes class 3 (better than class 2) gas cylinder. 12 1/2" to 15"± high. 
Includes 5 larger 2 3/8’ matte black hooded casters roll better on wood or carpet flooring.
Everything Matte Black!*(of a color, paint, or surface) dull and flat; without a shine)


Rock and Swivel 3318 Gas mechanism  Floor to top of swivel tilt mechanism with casters, base, gas cylinder. 
Height range is 13 1/4", high is 15 3/4".
Gas Cylinder is a class 3 (better than class 2).
Casters have quality features such as Hooded, larger wheels, Wood, Carpet, Tile.

Insert he black gas cylinder without tools into the center hole of the 5 leg chair base. Just sitting in the chair more than once will make it extremely tight and difficult to remove without tools.