The Perfect 4 In 1 Design: Unlike 3-In-One Knife Sharpener On The Market, Our Knife Sharpener Has Four Slots To Meet Your Different Needs. The 4-Stage New Design Is Divided Into A Scissor-Specific Sharpener Slot And Fine-Precision Sharpener Slot To Meet Your Diverse Needs. . Non-Slip Rubber Base+Ergonomic Handle: The Bottom Of The Knife Sharpener Has Non-Slip Rubber Bases That Prevent Slipping During Use, So You DonT Have To Worry About It Shaking Anymore. At The Same Time, The Ergonomic Handle Allows You To Easily Grip And Use The Knife Sharpener. . High-Quality Materials: The Handle Is Made Of Abs Plastic, Which Is Heat-Resistant, High-Temperature And Impact-Resistant. The Outer Side Of The Sharpener Slot Is Made Of 430 Stainless Steel, And The Inner Side Of Each Sharpener Slot Is Made Of Tungsten Steel, A Diamond Sharpening Rod And A Ceramic Sharpening Rod. The Quality Is Outstanding. . Very Convenient: Allows You To Sharpen Almost All Steel Knives And Scissors (Except Very Wavy Blades Like Bread Knives, Serrated Knives). Just Insert The Blunt Knife Into The Sharpening Slot And Pull Back A Few Times Until The Knife Is Sharp Enough. Tips: To Take Advantage Of This Sharpener, It Is Recommended To Sharpen The Knife In One Direction Only. .