This hoop is compatible with Janome Memory Craft MC200E MC230E Singer Studio S10 etc., Sewing and Embroidery Machine. Other compatible machines, please check your machine manual Sew Tech embroidery machine hoops are accurate and strong Clear markings on hoops for easy reference Adjustable metal screw on the hoop help you to clamp a wide range of fabric firmly Used as a perfect replacement of the old hoops or have extra hoops to speed up your embroidery projects