Enhance your sewing experience with this premium set of Sewing Machine Upper and Lower Blades, specially designed for home overlock and serger machines. Crafted from high-quality steel, these blades deliver precise and clean cuts, ensuring superior seam quality and durability for all your sewing projects. Compatible with model A10521000 (upper blade A10531000 and lower blade A10521000), this blade set offers excellent fit and performance to optimize your machine’s efficiency. Key Features: · **Perfect Compatibility:** Designed specifically for home overlock and serger machines, these upper and lower blades fit seamlessly with model A10521000, ensuring smooth operation and enhanced sewing accuracy. · **Premium Steel Material:** Manufactured from excellent steel with fine machining and heat treatment, these blades feature sharp, rugged edges that easily cut through various fabric thicknesses without burrs. · **Superior Cutting and Seam Quality:** The precise alignment of the upper and lower blades guarantees clean, consistent cuts and beautifully finished edges, improving the overall look and durability of your sewing projects. · **Easy Installation:** User-friendly design allows for quick and hassle-free replacement, reducing downtime and making it suitable for sewists of all skill levels. · **Versatile Use:** Ideal for a wide range of materials, from delicate lightweight fabrics to heavier textiles, making it perfect for garments, home décor, and craft projects. Specifications: · Item Type: Sewing Machine Upper Lower Blade · Material: Steel Package Includes: · 1 Set of Sewing Machine Upper and Lower Blades Upgrade your serger machine with this reliable and durable blade set to achieve professional-quality seams and smooth fabric cutting every time.