The Amope Nail Care System is the effortless way to keep your toe and finger nails shiny and natural looking Refill kit includes 3 different insert heads (1 File, 1 Buff, 1 Shine) to get that perfect pedi mani look Refills should be replaced when they start to show signs of wear which will depend on the intensity/duration of your treatments. Subscribe & Save to ensure you always have a fresh refill ready The heads easily attach to the Amope Nail File and with just a simple push of a button you can get an Amope Nails treatment For use on both toe nails and finger nails.