{{ /new_carbon_brushes_magnetica.jpg?500 }} A pair of [[/electric brush|electric brushes]] from a universal motor of an electric drill (around 500 W). The width of each brush is around 10 mm. The contact surface is curved to conform to the radius of the [[/commutator]]. new_carbon_brushes_magnetica.jpg {{page>insert/file-sz-cc}} {{tag>Files Electric_brushes Carbon_brushes}}