Description: 【Premium Material】: The 5 Stone Porcelain Sharpening Kit is made from porcelain and PP, ensuring wear resistance, durability, and long term use 【Easy to Use】: This 5 Stone Porcelain Sharpening Kit is simple to use: First, secure the bracket on a sturdy surface, then tighten the clamp on the blade; Choose your desired sharpening stone and fix it onto a rod; Insert the rod in an angle slot on the bracket and start sharpening along the bevel of the ; Repeat this process, grinding back and forth on both sides until you achieve your goal 【Wide Application】: This Sharpening System is suitable for most types of knives, including fixed and folding blade; It serves as both a pocket tool sharpening and a chef sharpening 【Secure Multi Angle Clamp and Guide Rod】: Each guide rod ensures easy to use while securely holding your blade at multiple angles during sharpening 【Comprehensive Sharpening Stones】: The set includes a more coarse black sharpening stone (70 grit) for reshaping bevels; coarse red stone (120 grit) for edge repair; medium green stone (280 grit) for grinding and minor repairs; blue stone (600 grit) for frequent refinements to maintain blade acuteness; more fine porcelain yellow stone (1000 grit) for polishing blade to more acuteness Size Chart: Box Size: 22cmx11cmx4cm/8.66inchx4.33inchx1.57inch Clamp: 11cmx2.5cmx9cm/4.33inchx0.98inchx3.54inch Package Includes: 1 More Coarse Black Sharpening Stone 1 Coarse Red Sharpening Stone 1 Medium Green Sharpening Stone 1 Blue Sharpening Stone 1 More Fine Porcelain Yellow Sharpening Stone 1 Clamp 1 Guide Rod Note: Please allow slightly errors 1-2cm differences due to manual measurement.