Magnetic Hoop 3.9"x12.8" | 100x320mm for Butterfly Embroidery Machines Machine Model:Transformer 1501 keep the frame flat and

keep the frame flat and away from heat sources

and performance tuning

improving consistency and comfort during long production hours while maintaining reliable hoop tension

providing flexibility for your embroidery projects

thanks to its strong magnets that apply steady pressure across the fabric

Magnetic Hoop 3.9"x12.8" | 100x320mm for Butterfly Embroidery Machines Machine Model:Transformer 1501 keep the frame flat and3. 9x12. 8(100x320mm) refers to the inner hoop dimension. The actual sewing field is about 3. 1x12(80x300mm). Product Features Super durable and strong, this embroidery hoop magnetic frame has been tested for 500,000 times of repeated use under strict destructive testing. Ideal for all kinds of fabric hooping, this magnet hoop easily holds hard to clamp items like heavy, thin, fragile, stretchy, and elastic fabrics. Available in 17+ hoop sizes from 3.