A. Material: Made of stainless steel, it has relatively high hardness, is less likely to break, and is durable. The standard cross slot ensures relatively even stress distribution, easier locking, and resistance to slipping, making it more convenient and faster to use. There are screws of various lengths to choose from, which can meet a relatively wide range of applications. B. Available sizes: It offers a selection of 18 commonly used sizes to meet your needs. It is suitable for home, office, workplace, garage, commercial, and industrial applications. C. Surface property: The black galvanized surface is a corrosion-resistant metal coating. It has a relatively long service life, can withstand changes in weather and temperature, and can even be placed in relatively humid environments. D. Storage convenience: You will also receive a plastic sorting box for classifying, organizing, and accessing the screws. The box is convenient for transportation and storage and can also be used as a storage place for other small items. E. Multifunctional repair: It is widely used for repairing devices that use small screws, such as glasses, sunglasses, computers, mobile phones, small electronic devices, and clocks. It is very convenient to use with a mini multi - functional screwdriver for repairs.