Product Name: Electric Heel File Product Condition: I only tried it on my heel once when it arrived. I immediately wiped it with an alcohol wipe and stored it. By the way, I have no skin diseases such as athlete's foot. I have disposed of the outer box. Please be sure to read the profile before purchasing or commenting, and make a purchase after agreeing to it. Contents: Main unit, instruction manual, USB cable, 2 replacement grinding heads Product Description: This is a convenient heel callus remover that makes foot care easy★