Smith's 6-Stone Precision Knife Sharpening System offers an easy way to sharpen all types of knives . . . INCLUDING SERRATED. The fabric storage pouch makes this kit portable and easy to store, and the ½ inch wide stones makes sharpening safe, fast, and easy. The kit comes with a 70 - grit ½ inch bar (black), 120 - grit bar (yellow), 280 - grit bar (green), 600 - grit bar (orange), 1,000 - grit bar (red), and fine Triangular shaped Ceramic Stone for serrated edges. In addition the the kit includes Premium Honing Solution.