An external single revolving (ESR) 20′, butt diameter 4″, top diameter 3″ flagpole. Wall thickness is .125″, comes in one piece, goes 2′ into the ground. The standard flag size for this pole is a 4’x6′, the max wind speed with a nylon flag is 109 MPH, and the max wind speed with out a flag is 147 MPH. The finish of the pole comes in satin, clear anodized, dark bronze anodized, black anodized, bronze tone powder coat, black powder coat, white powder coat, or clear powder coat. The set price is for the satin finish, please call us if you wish to have a different finish.