This is a high quality hook drive wheel suitable for many Pfaff sewing machines listed in, but not limited to:

Series 1100, 1190, 1196, 1197, 1199, 1200, 1209, 1212, 1213, 1214, 1215, 1216, 1217, 1221, 1222, 1222E, 1229

Part number 40322G