Usage Tips: Strong & handy magnetic seam guides ! The Magnetic Seam Guide is really helpful ! Easily remove and reposition the magnetic rails as needed. The magnets are strong enough to snap onto the metal pin plate cover like other magnets, yet they easily move into the correct position over and over again! High-Quality Material: Magnetic seam guides are made of high-quality stainless steel and magnets, perfect for positioning, edge protection, anti-curling, etc. Strong magnets hold the rails very firmly in place while you sew. stable and accurate sewing. Easy to Use: Keeps lines straight, Holds an edge for the guide you needed. edge protection, positioning, anti-curling, universal standard, pocket-sized design, easy to sew, carry with you, and convenient to store when not in use. Huge Time Saver: A very basic little sewing tool but a great addition to your sewing kit!! Just place this magnetic edge guide on your machine bed or slide and it will ! It can be used to quickly set edge guides. Universal Compatibility: Compatible with all popular quilting and sewing machine , a very basic little sewing tool, but a great addition to your sewing tool kit! Perfect for professional garment makers and any sewing enthusiast. It helps in sewing straight or curved seams. Material: Metal colour: silver Package Contents: 2 x 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.