Posted on August 8, 2018 by adminJanome MC500E Embroidery Hoop SQ20b 200x200mm (864801001) The Janome Embroidery Hoop SQ20b is sized at 7.9″ x 7.9″ or 200mm x 200mm and it is designed to fit the Janome 500e and Elna EL830..