Features Durable Stainless Steel Material: Made of stainless steel, these screws have excellent corrosion resistance, ensuring they never rust, providing long-lasting durability for your projects. Convenient Plastic Case: The included plastic box allows for organized screw classification, making it easier to carry and access the screws when needed, saving time and hassle. Secure Fastening with Hex Wrench: Use these screws with a hex wrench to firmly hold mechanical parts in place, ensuring a secure and stable assembly. Versatile Sizes for Various Uses: With different sizes included, these screws are suitable for general-purpose use, catering to all your fastening needs effectively. Wide Application Range: Ideal for home and office appliances, furniture, and machinery industry, these screws prove to be versatile and essential for various applications. Specification: Condition: 100% Brand New Material: A2-70 Stainless Steel Standard type: German standard Standard number: A2-7380-21 Screw type: M3 Box size: Approx. 13 x 6.5 x 2.5cm / 5.11 x 2.55 x 0.98inch Weight: 181g Package Included: 20PCS x M3*4 20PCS x M3*5 20PCS x M3*6 20PCS x M3*8 20PCS x M3*10 20PCS x M3*12 20PCS x M3*16 20PCS x M3*20 20PCS x M3*25 100PCS x M3 Nuts Note: Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully. Please allow 1-3cm differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding. Package List