Mr-2205 series foot file1. Double sided rough and fine surface design, more comprehensive foot care tools.Rough side: suitable for dealing with thick and hard calluses on sole and heel.Fine side: suitable for dealing with aging cuticles on the surface of feet and soles.2. Integrated molding technology, no burr on file surface, even and fine, durable.3. Medical grade stainless steel, nickel plating process, durable and anti-rust.