HONEYSEW Upper Knife Blade For Toyota 6300 6600 6700 Husqvarna Viking Huskylock 901 White 234DE 634D 834DW 7234 7934DW 834DW Serger #1250014229 This listing is for A Brand New HIGH QUALITY REPLACEMENT UPPER KNIFE / Blade that fits many HOME Serger sewing machines. Fits: TOYOTA SERGER MODELS - 6300, 6600, 6700. Upper Knife #1250014229 HUSQVARNA VIKING SERGER MODELS - HuskyLock 901. For WHITE SERGER MODELS - 234DE, 634D, 834DW, 7234, 7934DW, 834DW, 1700, 1800, 1900, SL34, SL34D, SL234D, SL3400