Feature: 1. Ceramic grinding drill bit, 10 times more durable than high speed cutting tools. 2. Corrosion resistance, heat resistance, maintain its sharpness for a long time. 3. Small round design, can be used for easier removing the dead skin for nails. 4. Made of ceramic and stainless steel, does not rust and high hardness and efficiency. 5. Including a total of 12pcs ceramic drill bits of the package to meet your different needs. Specification: Condition: 100% Brand New Item Type: Ceramic Drill Bit Material: Ceramic + Stainless Steel Shank Diameter: Approx. 3/32in Quantity: 12pcs Package List: 12 x Ceramic Drill Bit