●【HIGH QUALITY MATERIAL】: Made of Carbon Steel, ensuring excellent durability, resistance to rust, and superior corrosion resistance even in harsh environments. The sharp point design allows for effortless penetration into various materials. ●【PRECISELY DESIGNED THREAD】: With our high-precision cutting technology, each screw thread is meticulously crafted to be clean, sharp, and deep. This ensures a secure hold and prevents deformations or slippage during use. Say goodbye to unreliable screws! ●【MULTIPLE SIZES】: This drywall screw set includes 5 common sizes, Contains M3.5 x 20mm/25mm/30mm/40mm/50mm wood screws, totaling 160 screws, suitable for various projects. ●【CONVENIENT PACKAGE】: Packed in different grids according to the size, it is efficient to find the size required. Polypropylene box of excellent material can be reused as a storage box. comes with a free bit for added convenience. ●【WIDE APPLICATION】: Our self-tapping wood screws are ideal for use in a variety of materials, including metal, plastic, and boards. They are perfect for projects involving gypsum boards, wooden boards, ceilings, partitions, and more. Additionally, these screws are widely used in electrical products, communication equipment, and other applications.