Scholl Velvet Smooth Nail Care Refill Heads is a pack of 3 refill heads for the Scholl Velvet Smooth Electronic Nail Care System. These are the replacement heads for the Scholl Velvet Smooth Electronic Nail Care System. It comes in both blue and pink and with the use of a battery you can keep your nails in great condition. The heads simply click on the handle and you select your power setting depending on the intensity required for that nail. The dark blue head is for filing and is quite rough but still gentle enough to be used on both...