[EFFECTIVE FUNCTION]A strong an-ti- magnet affixes the magnetic guide to your machine's needle plate in seconds.Performing the duties of sewing rulers and guides. [WAIST RULER]0 to 60 inches and 0 to 150 centimeters. There is a centimeter scale on the back, which is accurately printed in inches and centimeters. Both sides can be measured according to your requirements. Good sewing tool, accurate tape measuring for sewing, tailoring, body, waist measurement or measuring any curved surface. [GUAGE RULER AND GUIDE MAGNET]The gauge ruler measures about 5.5x2.5inch in length and width, 0.3cm/ 0.1 inch in thickness, and the size of the sewing machine guide magnet is about1 inch in width, and lightweight, easy to , carry and use, providing more to your life. [STRONG MAGNET]Super strong magnet locator used for sewing machine, strong magnetic, iron magnet. Can be used for flat car, synchronous car, help in flat seam straight line, to achieve beautiful effect; It can also be used to pull the belt with double needle to fix the position of the belt and preven-t deviation, etc. [Universal Sewing Accessories]The quilting rulers,seam guide ruler magnetic seam guide are compatible with all quilting and sewing machine and models. Colour: green Material: metal + acrylic Package Contents: 1 * Sew seam allowance ruler 2 * Magnetic sewing guides Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.