Upgrade your DIY or professional projects with this high-quality 380-piece stainless steel hex head screw and nut assortment kit. The set includes a variety of M4 screws, nuts, flat washers, lock washers, and an Allen wrench, all made from durable 304 stainless steel for superior corrosion resistance and strength. Perfect for home repairs, woodworking, and mechanical applications, this kit keeps your hardware organized and ready for any task.