Fits:

 

This listing is for a high quality (made in Taiwan) Lower Knife #1250004-237B

Lower knife, Toyota 6300, 6600, 6700, etc.

Pfaff mod. 4764;  

Husqvarna/Huskylock 901, 460D;

White mod. 234DE, 634D, 834DW, 7234, 7934DW, 834DW, 1700, 

1800, 1900, SL34, SL34D, SL234D, SL3400 etc.