Description This is a hot-melt hot-pressed nut made of copper material. It has the characteristics of high hardness, rust-proof, wear-resistant, strong and practical. It can serve you well and bring you an excellent experience. It has a reasonable design, high efficiency and practicality, and can be firmly fixed. Features - Color: As shown.- Material: Copper.- Size: 0.57X0.46X0.46cm/0.22X0.18X0.18in.- Preferred copper materials, good quality, safe, durable and practical.- The design is scientific, solid and practical, and can be easily added to 3D printed parts.- The screw thread is accurate, the drawing force is strong, the anti-rust is practical, and the texture is excellent.- Fine workmanship, efficient and practical, with good working performance, can better serve you.- Large quantity, these hot-pressed nuts can meet your demand for long time, suitable for 3D printer and more.Packing list: 100 x Embedment Nuts