900Pcs M3 M4 M5 M6 Hex Socket Head Cap Screw Assortment Kit 304 Stainless Steel Metric Bolts with Nuts Washers ? Organized Storage Box ? Complete Kit ? 900 Pieces Includes a variety of M3, M4, M5, and M6 metric hex socket head cap screws, with matching hex nuts and flat washers. Perfect for a wide range of uses?from small repairs to major assembly projects. ?? Premium 304 Stainless Steel Made of high-quality 304 stainless steel for outstanding durability, rust resistance, and long-lasting strength?even in humid or extreme environments. Please note: 304 stainless steel may show weak magnetism due to its structural properties. ? All-In-One Hardware Set This versatile assortment is ideal for: DIY Projects Home Repairs Furniture Assembly (tables, beds, cabinets, etc.) 3D Printers Electronics Machinery Mechanical Applications Automotive, Shipbuilding, and Garage Work ? Smart, Reusable Storage Box All screws, nuts, and washers are neatly organized in a sturdy, compartmentalized plastic case. Easily identify sizes and quantities at a glance?no more digging through mixed parts!