Add versatility to your Singer sewing machine with this vintage buttonholer attachment, model no. 489500/489510. Made in the United States, this accessory is compatible with Singer machines and comes with four templates to create different sized buttonholes. Perfect for sewing enthusiasts who want to add a professional touch to their projects. This Singer buttonholer attachment is a must-have for anyone looking to expand their sewing capabilities. With its quality construction and precise sizing, it's sure to create flawless buttonholes every time. Don't miss out on this opportunity to enhance your sewing experience.