Baby Lock Upper Knife Blade for Evolve, Imagine Wave, Imagine & Eclipse (Part No. B4401-04A-0Y)

Restore your serger's cutting performance with this genuine Baby Lock Upper Knife Blade (Part No. B4401-04A-0Y). Designed for precise fabric trimming, this replacement upper knife ensures smooth cutting action and helps maintain professional overlock stitch quality on a wide range of fabrics.

A sharp upper knife is essential for clean fabric edges, accurate trimming, and optimal sewing performance. Replacing a worn or damaged blade can significantly improve cutting efficiency and reduce fabric fraying during overlocking.

Key Features

• Genuine Baby Lock replacement upper knife blade.
• Part Number: B4401-04A-0Y.
• Provides clean, accurate, and consistent fabric trimming.
• Helps maintain professional overlock stitch quality.
• Ideal replacement for worn, dull, or damaged blades.
• Durable construction for long-lasting performance.
• Easy installation and precise fit.

Compatible Models

• Baby Lock Evolve
• Baby Lock Imagine Wave
• Baby Lock Imagine
• Baby Lock Eclipse

Why Replace the Upper Knife?

• Restores smooth and efficient fabric cutting.
• Prevents uneven trimming and fabric fraying.
• Improves stitch consistency and edge finishing.
• Maintains peak serger performance.

Package Includes

• 1 x Baby Lock Upper Knife Blade (B4401-04A-0Y)