New Babylock, Elna, Simplicity, Pfaff, Singer Serger sewing machine lower Knife Blade part # 412749

Part # 412749 is a lower knife (or blade) for Singer 14U class and various other serger/overlocker models, designed to replace worn or damaged cutting edges for precise trimming. It is widely compatible with brands like Babylock, Elna, Simplicity, and Pfaff. Often sold in pairs, this part is essential for maintaining consistent fabric cutting, frequently paired with the upper knife 412585