Features 1. 【INCLUDING】: 50pcs M3*5, 50pcs M3*6, 50pcs M3*7, 50pcs M3*8, 50pcs M3*10, 50pcs M3*12, 50pcs M3*14, 50pcs M3*16, 50pcs M3*18. 2. 【USE】: 9 different sizes, 450 screws in total, enough quantity, precision thread can easily go through various materials such as plastic, wood, soft metal, etc. Meet your different needs and support long-term use. 3. 【APPLICATION】: With strong practicability and flexible use, these screws can be widely used in home, office equipment and industry, including fixing wooden furniture or connecting board structures, electronic products, household appliances, fixing components, mechanical maintenance, etc. 4. 【HIGH QUALITY】: Made of solid carbon steel, these self-tapping screws have high hardness and are not easily deformed. Carbon steel material has high strength, strong bearing pressure and good durability. It can be used in various harsh environments and supports long-term hammering. 5. 【MAINTENANCE】: Equipped with a storage box, all screws are packed in plastic storage boxes according to their size, which is clear at a glance, easy to carry and use, easy to access, can be used as a storage box to keep the tool kit neat and tidy. Specification Condition: 100% brand new Material: Carbon Steel Screw Type: Cross Head Shape: Pan head Weight: Approx. 251g/8.8oz Size & Quantity: --M3*5      50pcs --M3*6      50pcs --M3*7      50pcs --M3*8      50pcs --M3*10    50pcs --M3*12    50pcs --M3*14    50pcs --M3*16    50pcs --M3*18    50pcs   Package List: 450 * Self Tapping Screws with Box Package List