This nail file set includes 5 professional tools to smooth corns and calluses, remove excess cuticles, and file, shape, and polish nails. The small, portable pen is easy to hold and store. This manicure and pedicure set features a high-speed rotation that's powerful enough to trim and shape hard acrylic 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 gives your nails a professional look in just a few simple steps. Don't spend another day with chipped, cracked, or irritating nails. The nail file can be used on both natural and artificial nails. Lightweight design for precise use. The high-quality motor provides long-lasting power and produces less noise during use. Length approximately 16.5 cm. Allows you to handle it with just one hand. The electric manicure set is powered by 2 AA batteries (not included). Maintans strong power to avoid hurting your skin when cutting the nail. The drill bit is replaceable. Insert the drill bit into the nail polish machine to prevent the drill bit from being ejected.