Features: 1.Strong Magnet: This magnetic seam guide features strong magnet adsorption, no need to install, the magnetic seam guide for sewing machine can be used for blocking edges, positioning, anti curling, pressing bright threads and so on. 2.Easy Operation: This sewing machine guide magnet is convenient to use. You can easily remove and reposition it whenever you need to. Just place the magnet seam guide on the needle plate of your sewing machine, and the fabric will glide smoothly over the guide. 3.Durable Material: This sewing guide magnet adopts stainless steel and magnets, strong and durable. It provides edges protection, helps with positioning, and prevents fabric from curling. The magnet stays securely in place while you're sewing, so you can work with stability and accuracy. 4.Multi Purpose: This universal seam guide is suitable for most popular quilting and sewing machine brands. It's a versatile tool that's suitable for both professional garment makers and sewing enthusiasts at home. 5.2 Seam Guides with 4 Bobbins: You will receive 2 pieces of magnetic seam guides and 4 household bobbins in total, practical, durable sewing machine accessories, perfect gift giving choice. specification:Item Type: Magnetic Seam Guide Material: Stainless Steel, Magnet Bobbin Size: Approx. 0.9 x 2 x 1.2cm / 0.4 x 0.8 x 0.5in ( Manual Measurement, Slight Error May Exist ) Seam Guide Size: Approx. 6.1 x 7.6 x 3.3cm / 2.4 x 3.0 x 1.3in ( Manual Measurement, Slight Error May Exist ) PackageList:2 x MagneticSeamGuide 4 x Bobbins