The yarn winder device is used in quality control laboratories of the paint shop. Dyeing and other tests in a predetermined length and number of turns is used to create the yarn hanks. 130 round per minute at which the rst round of the winder / 1 m diameter has been standardized. 9999 Maximum number of rounds that can be set at the end of lap counter stops automa cally prevents count laps. Coun ng can be done manually tour.