【HIGH QUALITY】: The kit is made of high-quality 12.9 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.
【WORRY-FREE PURCHASE】: We will provide you with reliable after-sales service. If you have any questions about our products, please feel free to contact us, I will reply you within 12 hours, and we will solve it for you soon. Please rest assured to buy.