Alloy Piercingand Sliding Drill Bit Kit Precision Small Screw Removal Tool 1. LANRUI U8U8S drill bit set is specially designed for professionals engaged in the electronic repair field. Each drill bit is made of high-quality alloy steel for long-lasting durability, and it can still retain outstanding performance even with frequent use. 2. The drill bits of this set are 2.35 mm in size, which is perfectly suited for delicate maintenance work and handling complex mobile phone components. 3. It features an ergonomic design with a comfortable grip, which can effectively reduce hand fatigue even during long-time use. The sliding design of the drill bits allows more flexible operation, enabling technicians to easily deal with complicated repair scenarios. 4. This product will not emit volatile substances at 105°C, ensuring safe operation. It is a trustworthy tool for any professional mobile phone repair workspace. 5. Material: Tungsten alloy steel