Function: 1. Good efekt heat dissipation and can be used for a long time. High quality accessories with good design. 2. Polishing handle very quiet and smooth, with little vibration, and handle can be locked/unlocked, safer operation, high efficiency. 3. Do not move the polishing head lock hitch on the handle during operation; do not cover the ventilation holes on the handle during use. 4. Rotary speed is adjustable in the range of 0-35000 rpm. /min, supports forward/reverse direction, super-fast; will bring you an eye-catching manicure experience. 5. Ergonomic handle, comfortable to hold, easy to use, sturdy and durable. You can easily replace the nail drill without tools. Specification: Item Type: Nail Drill Holder Material: stop aluminium Speed: 35000 rpm /min Size: Ok. 14 x 2,3 cm / 5,5 x 0,9 inches List of packages: 1 x Nail Drill Handle Note: 1. Connect to the nail drill host. 2. The drill can be inserted and removed by turning the handle knob. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.