BAI Cap Embroidery Hoops are suitable for multi-needle industrial-grade embroidery machines, effectively fixing the position of the hat without shifting. The whole set of Cap Embroidery Frames contains 3 parts: cap station, cap hoop*2 and cap driver. Suitable for Mirror and Vision series embroidery machine or any others large computerized embroidery machines, like Ricoma and Tajima. Adjustable metal screw on the hoop help you to clamp a wide range of fabric firmly as well.