Baby Lock Upper Knife - B4401-04A-OY

The Baby Lock Upper Knife is a genuine replacement part designed to deliver clean, precise fabric trimming during serging. This sharp, durable blade works in tandem with the lower knife to ensure smooth cutting and professional seam finishes. Replacing a worn upper knife helps prevent skipped cuts, uneven edges, and fabric pulling, keeping your serger performing at its best.

Babylock sewing machine models:
BLES4 Acclaim, Celebrate BLS1, Enlighten BLE3ATW-2, Imagine BLE1AT-2, Imagine Wave BLE3ATW, Victory BLS3