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 This hoop is compatible with Husqvarna Viking DESIGNER DIAMOND Deluxe, DESIGNER DIAMOND Royal, DESIGNER DIAMOND, DESIGNER TOPAZ 50 30 20, DESIGNER RUBY Royal, DESIGNER RUBY Deluxe, DESIGNER RUBY, DESIGNER EPIC 2, DESIGNER EPIC, Pfaff Creative Vision, Creative Sensation Pro, Creative Sensation, Creative Sensation Pro II, Creative Icon, Creative Performance, Creative 4.5 4.0 3.0 2.0 etc., Embroidery Machine. Other compatible machines, please check your machine manual International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.