Materials: Plastic + magnet Size: 315mm Color: As shown in the picture 1. Polygon design: The measuring ruler features a polygonal shape design that is aesthetically pleasing and easy to operate and use. 2. Strong magnetic absorption: With high-intensity magnets, it can firmly attach to the sewing machine, avoiding inconveniences during operation. 3. Multi-functional use: Not only suitable for flat sewing machines but can also be used for other types of sewing machines, making it highly versatile. 4. Plastic material: Made of high-quality plastic material that is resistant to pressure, lasting, and not easily deformed, ensuring a longer lifespan. 5. Magic locator: The measuring ruler incorporates magic positioning things that can accurately locate the fabric, improve the stitching accuracy, and make it convenient and quick. Package includes: 1 pcs/4pcs magnetic positioning ruler