Features: Achieve secure connection with our quality Brass Threaded Insert Set. Crafted from brass, these inserts is perfect for variety of projects. Prodcuded to last, our Heat Set Inserts rusts resistant and suitable for various applications. Whether you're working on vehicle/home improvement projects, these inserts will meet your needs. Designings for DIY enthusiasts and professional, our Threaded Insert Set is multifunctional and easy to use. It is essential tool for anyone to reinforce/assemble plastic part. Use our Threaded Insert Set in various scenario such as electronics/crafts. These inserts provide a reliable solution for securing object together. Package includes: M2x3x3.5 40pcs M2x4x3.5 40pcs M2x6x3.5 40pcs M2x8x3.5 40pcs M3x4x5 40pcs M3x6x5 40pcs M3x8x5 40pcs M3x10x5 40pcs M4x6x6 20pcs M4x8x6 20pcs M4x10x6 20pcs M5X6x7 10pcs M5X8x7 10pcs M5x10x7 10pcs M6x8x8 5pcs. Specifications: Material: brass Package Includes: 415pcs Threaded Insert 1xStorage Box note: Please allow 1 to 3cm error due to manual measurement, please make sure you not mind before your bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.