Fangrui Product Details [affordable Practical Set]the Set Includes 4 Diamond Sharpening Plates. This 4 Grit Combination Allows Customization Of The Sharpening Process To Meet Speed And Smoothness Needs. [diamond Material]crafted From Premium Diamond Abrasive, The Sharpening Stones Are Durable. They Maintain Their Shape Well And The Diamond Powder Does Not Easily Come Off During The Sharpening Process. [accurate Effective]these Sharpening Plates Can Work Solo Or Alongside Sharpening Devices. This Adaptability Results In A More Precise And Effective Sharpening Process, Ensuring Sharper . [versatile]the Diamond Sharpening Plates Are For A Variety Of Cutting Tools, Including Tools Grinding, Scissors, Chisels, Planers, Plane Irons, And Kitchen Knives. They Serve A Broad Range Of Sharpening Needs. Please Note: Slight Difference In Kind And Color Difference, Please Dont Mind, Thank You ! Material: Diamond Colour: Silver Package Contents: 4 X Knife Sharpener Only The Above Package Content, Other Products Are Not Included.