Elna Bobbin 15 Class Metal item # 2518

Fits Elna models 110, 120, 130, 140, 149, 150, 200, 220, 225, 230, 240, 250, 255, 255I, 410, 1010, 2002, 2004 and 2006. Bobbin diameter measures 7/16" thick x 13/16" wide.