The Perfect 4-In-1 Design: There Are 4 Different Options To Meet All Of Your Sharpening Needs. (2 Tungsten Steel Levels For Shearing And Coarse Sharpening, A Diamond Level For Fine Sharpening, A Ceramic Stone Level For Precision Sharpening.) Perfect For Sharpening Your Kicthen Knife, Santoku Knife, Fruit Knife, Scissors, A Blunt Knife Or A New Knife. High-Quality Materials: The Shaper'S Handle Is Made Of Abs Plastic Which Is Safe And Bpa Free. The Outer Part Of The Sharpener Is Made Of 430 Stainless Steel. This Sharpener Has A Durable And Long Lasting Quality. Keeps Your Knife Sharp At All Times Without Effort. Professional Designs The Knife Sharpener Handle Is Ergonomically Designed So That The Knife Sharpener Is Easier To Grip And Use. There Is A Non-Slip Rubber Base On The Underside Of The Sharpener, Which Prevents It From Slipping During Use And Increases The Safety Of Use. Fast Sharpening Simply Insert The Knife Into The Slot And Sharpen It Three Or Five Times. Your Knife Will Then Be Sharpened Or Polished Without Damage. (Please Do Not Pull Your Knife Back And Forth, Only In The Direction Of The Arrow).