Use this 4-in-1 pedicure foot scrubber to help clean and smooth skin for a beautiful feet. nail and cleansing brush:Use this nail brush to clean feet and nails. Pumice stone: Use this pumice stone to soften heels, toes and feet. Metal file: Use metal file to smooth rough surfaces and calluses. Emery file: use emery file to buff for a soft finish. Use this pedicure brush wet or dry for different surfaces satisfy all the needs of smooth comfortable feet.