Included Screwdriver: As a bonus, we include a screwdriver with every purchase, allowing you to instantly start using the zipper foot without any additional tools or hassle. The Zipper Foot is designed with adjustable left and right screws, making it easy to install zippers with precision and accuracy. Versatile Usage: Whether you're working on garments, bags, or other sewing projects, our zipper foot is a must-have accessory that guarantees smooth and effortless zipper application. Convenient Use: Can Adjust #3 and #5 zipper for free use, this zipper foot allows you to customize the fit to your specific needs, ensuring a seamless and professional . and Reliable: Made from high-quality materials, our zipper foot is built to last, ensuring long-lasting performance and satisfaction.