BERNINA Mega Embroidery Hoop- hoop measures 6" x 15.75" and is for continuous borders, fits Bernina Aurora 430 440QE B555 B570QE/ Artista 185 Artista 630 640 B560 B580/ Aurora 435 450 B740 B750QE B770QE B720/ Artista 200 730 B780 B790 B830 B880 machines