Upgrade your sewing game with our Upper and Lower Knives Blades Set (Part Numbers: 412585+412749). Perfectly compatible with a wide range of serger models including Babylock, Elna, Happylock, Omega, Pfaff, Riccar, Serge-Mate, Singer, and Simplicity. This 1SET ensures precision and durability for flawless stitching. Unsure about compatibility? Our 24/7 technical support is here to help. Elevate your sewing experience today! #SewingEssentials #SergerBlades #PrecisionCrafting ==== FEATURES: ==== Introducing the Ultimate 1SET of Upper and Lower Knives/Blades - where precision meets durability, and efficiency dances with innovation. Elevate your cutting game with these standout features: (A) **Razor-Sharp Precision**: Engineered with high-grade stainless steel, our knives/blades offer unparalleled sharpness that slices through materials like butter. Whether you're working with fabric, paper, or other materials, experience the flawless, clean cuts that professionals demand. Say goodbye to frayed edges and hello to perfection! (B) **Dual-Edge Durability**: Crafted for longevity, our upper and lower knives/blades are designed to withstand the rigors of continuous use. The dual-edge technology ensures that both sides of the blade remain sharp, doubling the lifespan and reducing the need for frequent replacements. This means more cutting, less downtime, and ultimate cost-efficiency. (C) **Effortless Versatility**: Adaptable to a wide range of cutting machines, our 1SET of knives/blades is the epitome of versatility. Whether you're in the textile industry, crafting, or any other field requiring precision cutting, these blades are your go-to solution. Easy to install and compatible with various models, they bring a seamless cutting experience to your fingertips. Unleash the power of precision, durability, and versatility with our 1SET of Upper and Lower Knives/Blades - the cutting-edge choice for professionals and hobbyists alike!