🔧 Screw Your Limits: Elevate Your DIY Game! Crafted from 12.9 grade alloy steel for unmatched strength. Ideal for home, automotive, and shop use—engineered for excellence. Includes 660 pieces in various sizes for all your projects. Fully machine threaded for a perfect fit every time. 3X rust protection with advanced German coating technology. 660 pcs Black Oxide Finish 12.9 Grade Steel The 660Pcs M2 Screws Set is a comprehensive assortment of high-quality screws, nuts, and washers designed for durability and versatility. Made from 12.9 grade alloy steel with a corrosion-resistant black oxide finish, this kit includes various sizes to meet all your fastening needs, enhanced by advanced rust protection technology.