1. It i easy to use, and a great helper in sewing a straight line or circle line track
2. The extremely built-in magnet permits ready mounting and dismounting; no tools or screws needed
3. This magnetic seam guide is widely used in clothing industry and domestic sewing work
4. It is a good helper for sewing beginners. It is used for stitching on straight lines or circles and is easy to use
5. Size: 3x10cm, 5x10cm, 6x10cm