Materials: Plastic + magnetSize: 315mmColor: As shown in the picture1. 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