Features: 1. There are coarse grit, extra coarse grit, fine grit and extra fine grit available, which can adapt to different strengths to accomplish varied professional nail jobs. 2. For polishing nail surface or even getting into tight areas such as sidewalls and cuticles part. Takes off the gel polish, dip powder, or acrylic layer in half the time without any effort. 3. You could sharpen, grind, neaten, carve, smoothen, polish and reshape gel and acrylic nails very quickly and efficiently. 4. The drill bit is made of quality emery material, which is sturdy and durable with high strength, making nail polishing easier. 5. Nail Brush Bit can easily clean the dust on the bits or nails, protect the bits after each use, keep you and your nails healthy. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Material: emery, steel Size: As the picture shown Color/Style: As the picture shown Package List: 1 x Nail Drill