Professional 51mm Italian espresso machine cleaning brush, designed specifically for head and gasket maintenance; The detachable 360 ° nylon bristles are completely wrapped around the head, wiping off coffee residue in a small space to stable extraction and extend the service life of the espresso machine. Color: Black The material structure combines the PP handle with high-quality nylon inner bristles and nylon outer ring bristles fixed in a stainless steel ring; Nylon fibers are tough when coffee is piled up, but soft enough to avoid scratching or damaging the metal and seals of the espresso machine.