Magnetic Hoop 12.6"x3.9" | 320x100mm for SPECTA Embroidery Machines Magnetic Hoops for Home Use Machines For RVM double head and

For RVM double head and single head series embroidery machine

Super durable and strong: 500

For Renaissance REN-1201T-7S series embroidery machine

which is more durable

Magnetic Hoop 12.6"x3.9" | 320x100mm for SPECTA Embroidery Machines Magnetic Hoops for Home Use Machines For RVM double head and12. 6x3. 9(320x100mm) refers to the inner hoop dimension. The actual sewing field is about 11. 8x3. 1(300x80mm). Product Features Super durable and strong: 500,000 times repeated using and strict destructive testing. Idea for all kinds of fabric hooping: Hard to clamp items, like heavy, thin, fragile, stretchy, and elastic fabrics. 17+hoop sizes: 3. 9x3. 9 inch 100x100mm ~ 17x15. 5 inch 430x390mm meet all your needs. Tough Durability Testing Video