2Pcs Silver Carbon Steel Sewing Machine Upper Lower Knife Multi Function Overlocker For Serger Household Machine Maintenance Replacement Part

Premium steel makes it strong and sturdy, and has a long service life.Excellent workmanship, smooth and without burrs.Replacement for the old or the bad,easy to install and use.It fends off damage, plus it boasts strong strength and excellent durability.A good sewing machine accessories to make your work more efficient.Specification:Item Type: Serger Machine KnifeMaterial:Carbon SteelUpper Knife Code:412585Lower Knife Code:550449 Fitment:Fit for BABYLOCK SERGER MODELS-BL202,BL302,BL400Fit for CONSEW:14TU854Fit for ELNA SERGER MODELS:T-3,T-33,T-34,T-34D Fit for SERGE-MATE SERGER MODELS:300,430,SW432,4350D,5030,5949LUpper Knife Size(L x W):4 x 0.8cm / 1.57 x 0.31inLower Knife Size(L x W):2.5 x 0.8cm / 0.98 x 0.31inColors:SilverPackage List:1 x Upper Knife 4125851 x LowerKnife550449 Tips:1. Due to the light and monitors effect, colors may have lightly difference.2. Please allow slightly size errors due to manual measurement. Thank you for your understanding!

• Precision Craftsmanship – Expertly manufactured with fine attention to detail, the surface is allowing seamless interaction with fabric and thread while protecting your machine’s components.
• Direct Replacement for Worn or Damaged Parts – Designed as a upgrade for broken accessories, it’s easy to install and ready to use—quickly restoring your machine to optimal working condition.
• Premium Steel – Constructed from durable, high-grade steel, this sewing machine part delivers exceptional sturdiness and long-term reliability, ensuring consistent performance even under heavy use.
• Essential Sewing Machine Accessory – A reliable, high-performance part that helps streamline your sewing tasks, reduce interruptions, and make your overall workflow faster, smoother, and more productive.
• Enhanced Protection – Engineered to resist wear and aviod damage to both fabric and machine, it offers excellent structural strength and resilience, standing up to continuous sewing demands.