This Listing is for a Brand New  Lower Knife Blade for many Pfaff and Elna Serger Overlockers.

for Elna Serger Machine Models:

604E, 614DE, 624DSE, 644, 704DEX, 745, 904DCX, 905DCX, 925DCX, 945, PRO4, PRO4DC, PRO4DE, PRO5DC & PRO5DE.

for Pfaff Serger Machine Models:

4842, 4852, 4862, 4872, 4874.

Part #: H004137