400PCS Brass Heat Set Inserts Kit M2 M3 M4 M5 M6 Threaded Nuts Assortment for 3D Printing Projects Plastic Parts Repair Embedded

400PCS Brass Heat Set Inserts Kit M2 M3 M4 M5 M6 Threaded Nuts Assortment for 3D Printing Projects Plastic Parts Repair Embedded1. 400PCS Complete Heat Set Insert KitIncludes 400pcs brass threaded inserts in multiple sizes, providing a practical assortment for 3D printing projects, plastic parts repair, and DIY applications.2. Premium Brass MaterialMade of high-quality brass with excellent corrosion resistance, heat conductivity, and durability. Designed for strong and reliable threaded connections.3. Multiple Sizes AvailableContains various M2, M2.5, M3, M4, M5, and M6 thread inserts to meet different installation requirements and provide more choices for makers.4. Strong Embedded ConnectionKnurled outer surface design helps improve grip and stability after heat installation, creating secure threads in 3D printed parts and plastic components.5. Organized Storage Box IncludedComes with a transparent compartment storage case, making each size easy to identify, access, and store. Ideal for 3D printing enthusiasts, engineers, and DIY makers.