PORTACARRETES ADICIONAL, PARA USO DE AGUJAS GENEMAS U OTRAS APLICACIONES. COMPATIBLES CON TODOS LOS MODELOS CON DEVANADOR SUPERIOR. .. .. Details: Universal Sewing Machine Spool Pin - Works with all sewing machines with a top mounted bobbin winder If your bobbin winder sticks out of the top of your sewing machine like below, this spool pin will work! Alternative Part Numbers Include 422250-451