This is the ultimate knife sharpening system that will sharpen all kitchen sport and utility cutlery including knives and cutting tools with serrated blades. Never before has a sharpening system done so much! This specialty product utilizes the GATCO� exclusive knife clamp/angle guide to ensure that all cutting tools can be easily sharpened to a precise razor-like edge. - The system includes: - GATCO � exclusive knife clamp/angle guide - Extra-course sharpening hone (Black) - Coarse sharpening hone (Yellow) - Medium sharpening hone (Green) - Fine sharpening hone (Red) - Serrated knife sharpening hone (Blue) - Scientifically formulated honing oil - Custom case