The Nail Drill File Includes 5 professional tools to smooth corns and calluses, remove excess cuticles and file, shape and polish nails. The mini-sized portable pen can be held and stored easily. This manicure and pedicure kit features high-speed rotation powerful enough to cut and shape hard acrylics and nails, yet gentle enough to work on cuticles and weak or split nails. shape, smooth and shine your nails quickly and easily. This manicure set makes your nails look like a professional manicurist in just a few simple steps. Don't spend another day with chipped, cracked or troublesome nails. The nail file can be used for both natural and artificial nails. Lightweight design for precise operation. High quality working motor provides long lasting power and produces less noise during use. Length about 16.5cm. Allows you to manage with just one hand. Electric manicure kit is powered by 2 AA batteries (not included). Keep strong power to avoid hurting your skin when you clip your nail. The drill is replaceable. Insert the drill into the nail polish machine frimly in case of drill ejection.