This is a handy airbrush-cleaning brush originally formerly only available with Tamiya"s airbrush cleaning kit. It features a simple yet effective design which allows more efficient and effective cleaning of your important airbrush products. - This extra-fine brush features durable nylon bristles and is for cleaning narrow spaces such as the nozzle. - Approx dimensions: Head length - 12mm - Diameter - 2mm. - Brush length - 100mm.