The Lyeteung 27 PCS M3/M4/M5/M6/M8/M10 Butterfly Nut Set, a must-have tool for any DIY enthusiast or industrial professional, offers the perfect solution for securing and tightening fasteners in various materials. Made from surgical-grade stainless steel, this set guarantees durability and resistance to corrosion, ensuring long-lasting performance. The butterfly nuts' design provides an easy and efficient way to tighten and loosen screws, while their hardened wing nuts ensure secure and safe installation. The unique flat washers included in this set ensure proper fit and minimize the risk of stripping fasteners. With 27 pcs in total, this set provides ample flexibility and versatility for various projects. Whether you're working on machinery, electronic equipment, or assembling furniture, you'll appreciate the convenience and effectiveness of this set. Trust Lyeteung to deliver high-quality, reliable tools that make your work easier and more enjoyable.