🔧 Elevate Your DIY Game with Precision and Power! Crafted from 10.9 grade alloy steel for superior strength and corrosion resistance. Sizes M2, M3, M4, M5 with an average error of less than 0.01mm. Ideal for professionals and DIY enthusiasts alike, perfect for any repair or project. Each type of screw is neatly packaged to prevent loss and ensure easy access. We prioritize your satisfaction with responsive support for any inquiries. Durable Storage Box 10.9 Grade Alloy Steel Comprehensive Assortment The DYWISHKEY 1220 Pieces Assortment Kit includes high-quality M2, M3, M4, and M5 hex button head cap bolts, screws, nuts, and washers made from durable 10.9 grade alloy steel. This comprehensive kit is designed for both professionals and DIY enthusiasts, featuring precise sizing, excellent corrosion resistance, and a sturdy storage solution to keep your tools organized and accessible.