a conductor cleaning brush has a handle which is a single integral plastic part , the handle including a grippable center section having at opposite ends a mounting section and a brush supporting section . the mounting section includes a portion of noncircular cross section which extends into and mates with an opening of noncircular cross section in a shotgun stick . two brush parts each have a cylindrical bristle arrangement , and have a stem which is fixedly secured in the brush mounting section of the handle . the brush parts diverge with respect to each other in a direction away from the handle , the ends of the bristle arrangements nearest the handle having radially overlapping bristles and the opposite ends of the bristle arrangements being spaced .