General description Package includes 230 pieces of self-tapping wood screws in 7 popular sizes, ideal for maintaining various facilities in the yard, home, and garden. These screws are designed for easy use and provide excellent fastening properties. Technical specifications Material: Carbon steel Oxidized surface for strength and rust resistance Sizes: 3.5mm x 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm Usage Primarily used for drywall in homes, buildings, and offices Suitable for wooden furniture, repairs, fixing components, and structures Self-drilling design with neat, clear, and burr-free threads Other information Convenient storage in a plastic box with separate compartments for each size