Description If you've been looking for a replacement electronicfoot file head, then your search is over! That's because our product has sturdyand reliable design, this replacement can bring back good filing performance. Features -Color: Black, Grey-Material:frosted emery, polished frosted stone-Size:4.00X4.00X1.50cm/ 1.57X1.57X0.59in- The set includes 20 replacement grindingheads for electric foot grinders, which are sufficient to meet your long-termcleaning needs. - The washable design is compatible withmany other brands of electric foot grinders on the market. - The replacement head of this foot grinderis divided into 2 colors, and has 2 different surface thickness. - Black color foot grinders are suitablefor hard dead skin and hard calluses, cracked heels, and the grey color onesare more delicate to clean delicate skin, choose 2 colors of grinding heads asneeded. - Our grinding head will not harm the skin,and the roughness is better than other grinding heads, which can effectivelyremove dead skin on the feet. Packing list: 20 x Foot File Callus Removers