This hoop is compatible with Husqvarna Viking Designer Diamond Deluxe Royale Ruby Topaz 50 30 Brilliance 80 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 Upgrade your Husqvarna Viking Designer Diamond Deluxe Royale Ruby Topaz 50 30 Brilliance 80 etc. sewing and embroidery machine with the Sew Tech Designer Royal Embroidery Hoop—a spacious 14x8 inch (360x200 mm) solution for large designs. Engineered for accuracy and strength, this hoop features clear markings for precise placement and an adjustable metal screw that firmly secures fabrics of various thicknesses. Perfect as a replacement embroidery hoop or an extra hoop to streamline production, it’s a must-have addition to your embroidery supplies. For other compatible models, please refer to your machine manual.