This hoop is compatible with Brother PR1000E PR1000 PR1050X Baby Lock Valiant Enterprise etc. Other compatible machines, please check your machine manual. Sew Tech embroidery machine hoops are precise and durable. Clear markings on hoops for easy reference. The adjustable metal screw on the hoop helps you firmly tighten a wide range of fabrics. Perfect for replacing old hoops or having extra hoops to speed up your embroidery projects.