2-3/4" Brush Dia., effective cleaning of soiled Shelby Tubes.

Attach to adequate power drill, insert into shelby tube, and clean.

Double-Spiral Threaded-Shank Brush Carbon Steel, 2-3/4" Brush Dia, .014" Bristle Dia

Built to handle the toughest jobs, these double-stem brushes have more bristles than single-spiral brushes. Stems are galvanized steel. Brushes have 1/4" NPT male threads, unless noted. Brush length is approximately 4 1/2". Overall length is approximately 7 1/2". Max. rpm is 1750.

(Rod below not included).