[10 pcs] to Thick black 4, effective and fast to eliminate the thick stratum corneum, suitable for crusty skin medium blue 4, suitable for neutral and crusty skin fine white 2, suitable for daily foot care.[Use with different roughness] to Choose the right roller according to the condition of the skin on the foot. You can use a rolling pin. high roughness to quickly remove hard, rough skin, then use a roller to soften the skin. low roughness for fine grinding. [Wide Compatibility and Packaging] to This product is compatible with Scholl Velvet Smooth, Scholl Velvet Smooth Wet andamp Dry and Scholl Velvet Soft. [Good quality, easy to use. clean] toThe cheapest price, the most parts.Our replacement rollers have twice the hardness of our replacement rollers.Abrasive micromandine crystal grains, which can withstand harsh conditions. wear and eliminate dead skin more effectively.Washable materials ensure quick and easy cleaning.[Recommended method of use] to It is recommended to clean the sand head after each use, replace it with new accessories every 10 to 10 years. 12 times, use no more than twice a week and use the same part for no more than 3 seconds. to avoid skin damage. We not only provide hightoquality products, but more importantly, we provide longtoterm customer service. When you buy our products, you get comprehensive customer support, so you can shop with confidence and satisfaction.