【GOOD QUALITY】: These self tapping screw kits are made of stainless steel which gives them high strength and good corrosion resistance in many environments. 【ASSORTMENT KITS 】: There are 1000 pieces of screws in 10 different sizes to meet your different needs. All screws are sorted by size and packed in a plastic case, easy to carry and use. Suitable for long-term use. 【WIDELY APPLIED】: These flat head screws are ideal for watches, glasses, electronics or any other repair that requires small screws. 【NOT EASY TO DEFORM】: These screws have a sharp thread that cuts into material such as soft sheet metal, plastic or wood, High hardness, not easy to deform. 【WARRANTY 【SATISFACTION】: We care about every customer’s feeling. If this product does not meet or exceed your expectations, please contact us by email, we will solve it for you.