This double stem, double spiral, power-fitting tube brush has an overall length of four inches, a brush length of 1 1/2 inches, and a 3/8-inch diameter. Made from a galvanized material, the short handle is a twisted wire style and is 2 1/2 inches in length. The bristles are made from brass wire and have a fill diameter of 0.006 inches. This power fitting tube can be used as a hand tool, mounted in a drill press, or on a portable power tool.