【HIGH QUALITY】: The kit is made of high-quality 10.9 grade alloy steel, they have excellent rust resistance and excellent oxidation resistance, acid and alkali resistance, non-polluting, non-toxic, environmentally friendly, and can ensure long-term use.
【LONG-TERM STORAGE】: All screws and nuts are packed in a strong and durable box, and the outer layer is protected by shrink film to effectively bear the weight of the entire package.
【WIDE APPLICATIONS】: This screw nut classification kit (M3 M4 M5 M6) is very suitable for professionals, hobbyists, landlords, handymen, repairers, carpenters and construction workers. Can be widely used in various handmade DIY productions, etc.
