Titanium coating increases the service life of the needle. 2. Import South African natural diamonds, using three-layer electro-sintering process, sharp and wear-resistant. 3. The needle body is made of imported stainless steel, which is not easy to break and deform, keeps good concentricity and prevents damage to mobile phones. 4. Advanced production technology guarantees 65% diamond mosaic, 35% bare, durable and wear-resistant, and does not drop sand. 5. The speed can reach 400,000/min. 6. International standard: 1.6mm. 7. The suitcase is made of high-quality aluminum alloy. It can resist high temperature and pressure and can be disinfected. 5-15 holes are available for acceptable customization.
