The Brother Bias Tape Binding Set is a two-piece set designed to fasten bias tape binding to the edge of fabric. It includes a wide guide for applying wide bias tape with a 6mm cover stitch and a small guide for narrow bias tape, which is stitched on with a 3mm cover stitch. Additionally, you can use the chain stitch to apply the bias tape, making it versatile for a variety of projects. This set ensures a neat and professional finish when binding fabric edges.