You can buy separately a nail brush, a pumice stone, a file to scrape your callused feet and an emery file to smooth the rough skin on your feet. Instead, why not add this 4 in 1 pedicure tool to your pedicure arsenal. You will love the convenience of not having to reach for 4 different tools while giving your feet a pedicure. At the same time you have saved money, time and energy by using this 4 in 1 product.