Magnetic Hoop 3.9"x3.9" | 100x100mm for UNIX-Promaker Embroidery Machines Hoop Length:395mm / 15.6" 4 Heads：BH1204 / BH1504

4 Heads：BH1204 / BH1504

7″(285x275mm)

6 Heads: GD-1206 / GD-1506

8 Heads: AM1208 /AM1508

Anysew multi-heads machine models:

Magnetic Hoop 3.9"x3.9" | 100x100mm for UNIX-Promaker Embroidery Machines Hoop Length:395mm / 15.6" 4 Heads：BH1204 / BH15043. 9x3. 9(100x100mm) refers to the inner hoop dimension. The actual sewing field is about 3. 1x3. 1(75x75mm). 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