Biasing Makers Kit Material: Durable hard plastic and metal. This tape making set will last a long time with your tool. 4 Sizes: 6mm, 12mm, 18mm, 25mm. Good quality, strong and durable, suitable for sewing applications. Widely Application: The Bias Tape can be widely used in various leather crafts, custom patchwork, home decoration, DIY and much more. A useful tool for your daily life. Easy-to-use Bias Devices: 1. Cut the bias strips on the fabric at 45 degrees. 2. Insert a straight strip facing up into the wide end of the tape, use a tool to pull the fabric through. 3. Pull the tape and press the pleats with an iron, ready to be sewn or glued. Benefit: Sewing bias tape makes your sewing easier, as the fabric is stretchy and easier to work with when sewing curves and angles. Sewing Bias Simple Operation: It is a sophisticated tool that works well for DIY creation. Automatically folds fabric in two halves, forming a strip in minutes, quick and easy.