CHENGYIDA BOBBIN WINDER FOR INDUSTRIAL SEWING MACHINES 2-1/2" SMALL WHEEL This bobbin winder assembly fits most new style of industrial sewing machines. Such as Juki, Brother, Consew, Singer, Mitsubishi and much more. This bobbin winder has 2-1/2" diameter drive wheel and can be used for sewing machines using Round or "V" Belts.