Metal/Magnetic Hoop And Same size hoop as the RE36B Hoop Hooping ready-to-wear garments is difficult or impossible due to seams, narrow areas or buttons/rivets. When using the Metal Hoop wont be a problem when you want to embroider quilts or other projects where you do not want residuals from stabilizer on the back side, the metal hoop is perfect! This Generic Hoop is the Same As the Janome Part model #864839008 RE36B embroidery hoop measures 7.9″ X 14.2″ (200mm x 360mm) This hoop will work with the Janome Memory Craft MC 550E (MC550E) Elna Expressive 830L #864839008