This double stem, double spiral, power-fitting tube brush has an overall length of 5 1/2 inches, a brush length of two inches, and a one-inch diameter. Made from a galvanized material, the short handle is a twisted wire style and is three inches in length. The bristles are made from brass wire and have a fill diameter of 0.006 inches. This power-fitting tube brush can be used as a hand tool, mounted in a drill press, or on a portable power tool.