Ideal Match for Your 3D Printed Components: Ideal Match for Your 3D Printed Components: They offer a dependable and secure method for attaching components in 3D printing projects, enhancing the strength and functionality of your creations with ease. Stable Grip with Easy Application: The reverse spiral-shaped knurled nuts deliver a balanced high tightening torque, ensuring a steady connection. Our heat set inserts provide smooth installation onto plastic components, resisting torque and preventing pull-out. Robust and Resistant to Corrosion: Made from top-quality brass, our threaded inserts offer excellent corrosion resistance and thermal conductivity. Their outstanding durability and high resistance to breakage or deformation make them a trustworthy choice for various applications. Broad Compatibility with Plastics: Engineered for all thermoplastics, including PLA, PETG, ABS, P P S, PP, and more, these inserts are suitable for use in 3D printers, electrical molding machines, automotive plastic shells, and laptop molds. Their versatility ensures compatibility with a wide variety of materials. Useful Thread Insert Assortment Kit: This kit includes insert nuts in sizes M2, M2.5, M3, M4, M5, M6 internal threads, and 7pcs heat-set Insert tips. Colour:Gold Material:brass Package Contents: 7 x Hot melt nut press heads 345 x Multi-specification inlaid nuts Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.