1. Effective functions: The powerful anti-magnet can fix the magnetic guide plate on the needle plate of the sewing machine within a few seconds, which can serve as a sewing ruler and a guide plate. 2. Waist ruler: The length ranges from 0 to 60 inches and 0 to 150 centimeters. There are centimeter scales on the back, and both the inch and centimeter scales are printed accurately. You can use both sides for measurement as needed. It is an excellent sewing tool and can be used for sewing, cutting, measuring the body, waist circumference, or any curved surface. 3. Measuring ruler and guide plate magnet: The measuring ruler is about 5.5 inches long, about 2.5 inches wide, and 0.3 centimeters (0.1 inches) thick. The magnet of the sewing machine guide plate is about 1 inch wide, light in weight, easy to carry and use, bringing more convenience to life. 4. Powerful magnet: It is an ultra-strong magnet locator for sewing machines, with strong magnetism and is a ferromagnetic body. It can be used for flatbed machines and synchronous machines, which helps with straight-line sewing in flat sewing to achieve an aesthetic effect. It can also be used for double-needle tape pulling to fix the position of the tape and prevent deviation, etc. 5. Universal sewing accessories: The quilting ruler and the magnetic seam guide plate are compatible with all quilting machines and sewing machines and their models. 6. Color: Green 7. Material: Metal + Acrylic 8. Package contents: - 1 seam allowance ruler - 2 magnetic sewing guide plates Only the above package contents are included, and no other products are included. 9. Notes: The color of the item may vary slightly from the actual product due to light and different displays. The measurement error is allowed to be +/- 1 - 3 centimeters.