Precise edge positioning: The magnetic seam guide adheres firmly to the metal needle plate of the sewing machine with a strong magnet, providing a stable sewing experience, and its polygonal design ensures accuracy Precise fit stitching: Suitable for any sewing machine. Perform the duties of the sewing ruler and guide rail, which helps you measure the sewing length. This is a great sewing accessory for a sewing machine Equipped with a scale: This strong magnetic ruler comes with a clearly graduated scale for measuring as well as for small home decor projects, choosing from three bright colors to personalize your sewing Settings and add of style to your workspace Easy installation: Easy installation and adjustment of our magnetic seam guides without screws or adhesives, this user-friendly feature saves time and provides precise stitching for a professional-looking result Wide range of applications: Compatible with most popular models of sewing machines, can be widely used in sewing machines. You can do all kinds of sewing projects, such as clothes, skirts, hats, T-shirts, skirts, pants, etc Colour:Green Material:plastic Package Contents: 1 x Magnetic Seam Guide Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.