1. Material: alloy, tungsten steel 2. Purpose: Used for nail polish to polish nails 3. Commodity packaging: boxed 4. Made of ceramic, tungsten steel, alloy material, strong and durable 5. Suitable for most standard size CNC drilling machines 6. A variety of styles, you can freely change according to your needs 7. Multiple styles of grinding heads, complete specifications, high hardness and fast grinding speed
