The 800-Piece Flat Head Wood Screws Assortment Kit by AIMUNOK is perfect for various fastening needs. Made of carbon steel with a nickel finish, these M2 screws come in different lengths ranging from 4mm to 20mm. The flat head design and Phillips tips make them easy to drive into wood, while the metric system of measurement ensures precise installation. With 800 pieces in the pack, this kit is ideal for both hobbyists and professionals requiring high-quality machine screws.