3-Stage Knife Sharpening System - The 1st diamond sharpening rod repairs and straightens damaged blades before the 2nd slot sharpens to restore its V-shape. Finally, the 3rd slot fine tunes for a clean polish. The 2-stage mini pocket sharpening stone is portable which can be easily carried when you go out for camping or other outdoor activities.Muti-Purpose Knife Sharpener - Perfect for sharpening straight stainless steel knives, ideal for survival knives, hunting knives, multi function knives, steak knives, filet knives, pocket knives (Not for Scissors, Ceramic or Serrated Knives).Premium Quality - Crafted from solid plastic and premium 304 stainless steel, its strong, durable and designed to last a lifetime. Made with high quality materials, knives will work like new.Safety Design - Non-slip base and removable grinder head to make sharpening process much safer and protect your hand.Easy to Use - Whether you are right or left-handed, Simply place the blade in each of the slots and gently pull the knife through a few times for fast, effective sharpening.