- Comprehensive Assortment: This kit features a diverse range of M2, M3, M4, and M5 screws and bolts, including lock and flat washers. With 16 specifications and a total of 1760 pieces, you will find the right size for any project. Specific lengths include: - M2: 4mm, 6mm, 10mm, 12mm - M3: 6mm, 8mm, 12mm, 16mm - M4: 8mm, 12mm, 16mm, 20mm - M5: 12mm, 16mm, 20mm, 25mm Four hex wrenches are included for easy installation. - Organized Packaging: Each type of screw and bolt is packaged separately in mini transparent plastic bags to prevent loss or mix-ups. The sturdy divider box ensures easy storage and transportation, made from thick materials to withstand damage during transit. - Superior Quality: Crafted from high-quality 12.9 grade alloy steel, these screws offer exceptional strength and durability. They are designed with anti-rust and anti-oxidation properties, making them suitable for use in any environment. The metric screw classification meets standardized metrics with an accuracy of less than 0.01mm. - Enhanced Rust Protection: Our upgraded black zinc plating eliminates the need for anti-rust oil, extending the screws' longevity and providing a clean finish. This makes the kit an excellent choice for personal use or as a thoughtful gift for family and friends. - Versatile Applications: Ideal for DIY projects, home repairs, and automotive applications, this screw assortment is designed to meet various needs, ensuring you have the right fastener for your tasks. Whether assembling furniture, securing machinery, or engaging in craft projects, this kit provides reliable solutions.