30000 RPM Electric Nail Drill1. Material: It is made of aluminum alloy. Lightweight compact design and durable use.2.Powerful and Low noise:0-30,000 RPM speed meet all your needs for filing, shaping, polishing and so on3. Efficient Heat Dissipation: The aluminum body with ventilation holes design, will not create much heat to hurt your hand and efficient heat dissipation. Please do not cover the ventilation holes on the handpiece, when using the device.4. Easy to Change Bits:Twist lock chuck can release bit easily and hold bits tightly Turning the power off when changing drill bit to avoid the damage of too much power is highly recommended.Nail Drill Bits HolderYou can place your nail drill bits on the machine’s nail drill bits collector so that they will not slid around the table and easy to use.