Enhance the performance of your serger machine with this high-quality Serger Blade set, crafted from durable steel for long-lasting use and reliable cutting precision. Designed specifically for 747 and 737 serger models, this replacement blade set includes both upper and lower blades to meet your complete serging needs. Key Features: · Premium Steel Construction: Made from high-quality steel, these blades offer exceptional strength and durability, ensuring a long service life even under frequent use. · Compatible Design: Specifically engineered to fit 747 and 737 serger models, providing a perfect replacement for worn or broken blades. · Complete Set: Includes both upper and lower blades, allowing you to replace both parts simultaneously for optimal machine performance. · Easy Installation: Designed for quick and straightforward installation, saving you time and effort so you can get back to your sewing projects faster. · Reliable Cutting Performance: Maintains sharpness and precision, ensuring smooth and efficient fabric cutting every time. Specifications: · Item Type: Serger Blade · Material: Steel · Model: KR23, KR35 · Size: As shown in the product images Package Includes: · 1 x Upper Serger Blade · 1 x Lower Serger Blade This steel Serger Blade set is an excellent replacement accessory for your serger machine, restoring cutting efficiency and extending the life of your equipment. Ideal for both professional and home sewing enthusiasts, it delivers dependable performance and easy maintenance for all your serging projects.