The 3 in 1 Brush tool comes with a magnet at one end to help remove hearing aid batteries and at the other end is a wire wax loop to help with wax removal along with a brush to removes any debris. The 3x black hearing wire rods measure 200mm in length, are flexible and handy for cleaning and removing any wax and debris from slim/micro hearing aid tubing. These rods are suitable for a wide range of hearing aid manufactures. The 3x black hearing aid cleaning wire rods. Dimensions: Length = 200mm Diameter = 0.50mm The 3 in 1 tool and the 3x black hearing aid cleaning rods come brand new in folded white wrapping.