This set includes seven smooth bottom piping walking feet in sizes 1/8", 5/32", 3/16", 1/4", 5/16", 3/8", and 1/2". Designed for use with walking foot type machines, these feet are compatible with a variety of brands and models. The set provides precise piping options for various sewing projects, ensuring consistent and professional results. Each foot features a smooth bottom for easy movement over fabric and piping, making it ideal for creating neat, even piping in upholstery, apparel, and craft projects. The comprehensive size range allows for versatile application, accommodating different piping widths. These feet are suitable for use with many compatible sewing machines, offering a reliable solution for adding piping to your projects. Durable and easy to attach, this set is a valuable addition to any sewing toolkit, providing the perfect tools for detailed piping work.