Upper Knife, Baby Lock - 428-9101-01B

Upper Knife, Baby Lock - 428-9101-01B

The Upper Knife 428-9101-01B is a precision cutting component designed for industrial sergers, delivering clean, consistent fabric trimming during high-speed overlock operations. Manufactured from high-quality, wear-resistant materials, it maintains sharpness and performance over extended use.

Compatible with Baby Lock Serger Models: BL4-428, BL4-436D, BL3-437, BL4-428, BL4-728, BL4-736, BL4-738, BL428, BL5180, BL5180NS, BL5260, BL5260N, BL5280, BL5280E, BL5280ENS

Compatible with Simplicity Serger Models: SL850, SL880