• [Hex Button Head Metric Sizes] The package comes with 1800PCS M2 M3 M4 M5 metric screw assortment, nuts, lock & flat washers, and Allen wrenches. Which include kinds of 16 different sizes and lengths of common hex button head screw size to meet your multiple needs and the 4 Allen wrenches included for easy installation
• [Multi-size Metric Screws] The Metric Screw Assortment Kit with 4 sizes of screws M2 M3 M4 M5. Diameters: 2mm/3mm/4mm/5mm. Lenths of the thread M2: 8mm/12mm/16mm/20mm. M3: 8mm/12mm/16mm/20mm. M4: 8mm/12mm/16mm/20mm. M5: 8mm/12mm/16mm/20mm. It comes with common screw sizes and meets all demands
• [Quality Grade 10.9 Alloy Steel] This screw assortment is made of 10.9 grade alloy steel, which has clear, precise threads, high strength, no burrs, and great rust resistance. It can be used for a long time and is easy to store
• [Wide Application] The nuts thread on the machine screws perfectly, and all the common screw sizes is typically needed for a regular household and professional mechanic, widely used in small fixtures around the house and garage, such as motors, 3D printers, rc car parts, DIYer daily repair needs, and so on
• [Storage Box] Sturdy case package with size label. All the screw assortment kit are stored individually by type in a portable, transparent case for easy storage and use, thus avoiding loss or confusion during use