The Perfect 3 in 1 Design Whetstone Set with 3-Stage Knife Sharpener can be used to sharpen blunt knives easily and professionally. Includes 2 tungsten steel slots for coarse sharpening, a diamond slot for fine sharpening, and a ceramic stone slot for precision sharpening. High-quality materials: The knife sharpener handle is made of ABS plastic, which is heat-resistant, high-temperature resistant, and impact-resistant. The outer side of the sharpener slot is made of 410 stainless steel, and the inner side of each slot features tungsten steel, a diamond sharpening rod, and a ceramic sharpening rod. Easy and safe to use: The whetstone knife sharpener includes a non-slip rubber mat on the bottom for a firm, stable stand to prevent slipping. Includes a cut-resistant glove for added safety. Simply place the blade in the slot and gently pull the knife in one direction several times to sharpen quickly and effectively. Stylish ergonomic design: The knife sharpener's ergonomic handle allows for comfortable and easy operation for both right-handed and left-handed users. The non-slip grip bottom keeps the sharpener stable and feels secure in your hand. The rustproof plate with anti-slip pad provides additional stability on surfaces. Includes a stainless steel fruit knife and fish scale scraper. The fruit knife can sharply cut through various foods and doubles as a bottle opener. The fish scale scraper helps remove fish scales conveniently and efficiently.