Bias Equipment Kit Material: Hard plastic and metal. This watch strap making kit can be used a long time with your tools. 4 sizes: 6mm, 12mm, 18mm, 25mm. Good quality, strong and durable, better sewing effect. Wide application: the bias tape counter can be widely used; in various leather goods, quilting, home decoration, DIY, etc. Useful everyday tools. The polarizing device is easy to clean. to use: 1. Cut the diagonal strips on the fabric to be used; 45°. 2. There is a straight strip at the top. the extremity wide of the ribbon and the fabric is passed. to through with a punch. 3. Pull tape to press pleats into iron, ready to iron. sew or glue. Advantage: The offset seam is to make your sewing easier, as the fabric is stretchy it is easier to work with when sewing curves and angles. Simple seam deviation operation: This is a complicated tool, very suitable for sewing. for the production process. Automatically fold fabric in half, forming a strip in minutes, quickly and easily.