• Superior quality: Made from high-quality 1022A carbon steel with multicolor zinc coating, these screws offer excellent corrosion resistance and durability. • Precise design: The screws feature smooth edges to prevent cuts and cross heads that allow for high torque and ease of use. The tapered tip and deep thread ensure excellent grip and quick penetration. • Versatility of use: Ideal for construction wood, chipboard, plywood, drywall, solid wood, MDF, and other types of wood panels. Perfect for DIY projects, home and office installations, carpentry, and boat assembly. • Wide range of sizes: The set includes 800 screws in 12 different sizes, with diameters from 3 mm to 5 mm and lengths from 16 mm to 80 mm, to meet various fastening needs. • Portable storage: Includes a storage box with individual compartments and size labels, making it easy to select and store the screws. The box is sturdy and easy to transport.