Conductive vacuum brushes are available. two, heavy duty vacuum brushes, one with brass and other stainless steel fill, both set in a hand-laced metal body; and one miniature Thunderon® fill vacuum brush set in an acetal handle. The heavy duty vacuum brushes fit a standard 1-1/4" tapered hose. A choice of bristle diameter, trim length, body diameter, and head diameter, are also available.