Description: Sewing Machine - Material: Stainless Steel Length: Approx. 3.8cm / 1.50inch Suitable for most of home sewing machine Specially designed for elastic fabrics and smooth fabrics to prevent the from jumping and lines Size Chart: Size 18 : 110/18 Size 16 : 100/16 : 90/14 : 75/11 Size 9 : 65/9 Package Includes: Note: Please allow a little size error due to manual measurement. Please be that due to lighting effects and brightness/contrast settings etc the item s color may be slightly different from the pictures.