COMPATIBILITY: Designed for Brother sewing machines and most domestic sewing machine models with standard needle fittings TWIN NEEDLE DESIGN: Features two parallel needles for creating professional-looking parallel decorative stitches STRETCH CAPABILITY: Specially engineered for sewing stretchy fabrics like jersey, spandex, and other elastic materials PROFESSIONAL FINISH: Creates two perfectly parallel rows of stitching ideal for hems, decorative topstitching, and pintucks VERSATILE USE: Perfect for both decorative and functional applications on stretch fabrics, ensuring strong and flexible seams