The Bernina No. 3C Automatic Buttonhole Foot with Slide & Sensor - New Style is a premium sewing accessory designed specifically for Bernina sewing machines. Made in the United States, this buttonholer foot features advanced technology with a slide and sensor for precise buttonhole creation. As part of Bernina's high-quality product line, this foot ensures smooth and accurate results for all your sewing needs. Upgrade your crafting experience with this reliable and durable sewing machine attachment.