- Vwoqiy M2M3M4M5 screw, nut, and washer set with 1380 pieces for multiple applications - Made of grade 12.9 carbon steel, offering high hardness and corrosion resistance - Hexagonal hollow head design facilitates assembly and provides greater stability - Includes M2, M3, M4, and M5 sizes, with corresponding nuts and washers for each size - The set contains hex keys for precise and secure adjustment - Increases the service life of joints thanks to flat washers and hex nuts - Perfect for repairs, furniture assembly, appliances, communication equipment, and automotive use - Black color, professional finish, and wear-resistant - Comprehensive solution for DIY projects, maintenance, and industrial assembly