Sewing machine equipped to make sewn rounds, with an internal core (cord) in cotton or rubber, covered with strips of leather or synthetic materials. Rounds can be made that vary from Ø2 to Ø10mm in diameter, continuously without limitations due to the exhaustion of the thread. Each size to be made requires a Kit consisting of, Guide, 2 Pre-guides and 2 pairs of Dies. The equipment we make is easy to replace and long-lasting. Also equipped with speed variation, and it is possible to make other items on request.