The 100FT Pedi Perfect Foot File gently & effectively buffs away your thick hard skin to reveal touchably soft, smooth feet.Refillable Regular Coarse roller head that spins 360 degrees for quick results on thick, calloused skin.Safe and effective to remove dead skin from feet for the perfect pedicure at home.Battery operated electric foot file with four AA batteries.Ergonomically shaped soft touch handle for an effortless, perfect pedi.