Replacement Hook Drive Gear - Part # 730038001
-Replacement Hook Drive Gear.
-Hole size 7.24 mm or 9/32" diameter.
-Part # 730038001
-Fits New Home models 100, 105, 106, 108, 1612, 1622, 300, 344, 352, 353, 372, 373, 624, 641, 646, 656, 657, 660, 665, 667, COMBI-10, COMBI-6, JD1814, JD1818, JD1822
-Fits Necchi models 520, 521, 6010, 6011
-Pfaff models 301, 741