1.Easy to Use: Hanging ear pens and self-locking copper handle make it more convenient to use. With its handle the special design, you can hold it comfortably and use it handy, good for operation. Professional handpiece for nail drill, suitable for professional use in the salon or for family use. 2.Lightweight Compact: compact size and light weight, convenient for carrying, great for working outdoors. 3.High Quality material: Made of high quality material, which is safe, non-toxic and durable for long term use. Available in 4 colors, you can choose it according to your need. 4.Widely Used: Usually used in manicures, pedicures, incisions, filings, shape, polishing, callus removal or beauty of domestic animals and so on.