Rechargeable Electric Callus Remover & Foot FileMore Effective & Powerful: Faster and power than others, so it can offer much resistance, it's gently and instantly buffs away all that dead hard callous skin on your heels and you can get smooth feet in minutes. What's more, you can use it to move the corns easily, to keep doctors away. Just soak your feet in the warm water in minutes, and then use the callus remover to witness the miracle! Different Roller Head: It's oval, has a wider surface area