Soft ëní Smooth™ foot care system gently removes corns and calluses. Cordless electric remover keeps feet smooth and sleek from heel to toe! It also shapes toenails and softens rough elbows and knees. Comes with hard skin remover, rough skin buffer, massager and 4 refills. Uses AA batteries (not included). Extra refill kit includes 12 coarse and 12 fine disks.