Pneumatic wheel with aluminum hub. It can be inflated according to the needs in order to obtain the required hardness, keeping its elasticity consistent. Can be mounted on stationary and portable machines. It has a large application field thanks to its adaptability to many different working surfaces. In fact it can be used to finish contoured surfaces, wood, shoes, internal edges, to satin finish metals and in the marble and glass industry. We can supply as stand alone items: steel arbors for wheels with M14 bore, rubber spare sparts.