These are foot grinder replacement heads, enough quantity for you to use or replace or share with your friends or family. Necessary replacement roller for electronic foot file. Easy and convenient to use, greatly save your efforts and time. Feature -Color: Blue-Material: Plastic, sand-Size: About6.00X2.50X2.50cm/2.36X0.98X0.98inch-Easily remove the dead skin of the foot, long service time than usual roller, take care of the tender and smooth feet.-Help you rub off the dead skin of your feet and make your feet smooth and comfortable.-You can give it as a gift for your friend or family, show them your love and concern.-Replace your old ones with these replacement heads to better remove dead skin.-It can help you clean up the dead skin and calluses on your feet through friction, and make your feet more tender and smooth.Packing list: 6 x Replacement Rollers