Features: *Great for ening all kinds of kitchen knives, planer, scissors, garden tools, woodworking tools, ski, and snowboard tuning work, etc. It is much more efficiency than waterstones and less risk of damaging the edges. *Lightweight, small and practical. This diamond ener stone simple to operate and can be carried anywhere when you have a trip and cannot occupy too much space. *It is only 2.5 mm thick so will not take much room and and backing can be fixed on for . Specification: Product Name: ening Stone Sheet Material: Nickel plated diamond Color: Silver, Black Size: (Approx. ) 90*55mm / 3.54*2.16' Thick: (Approx. ) 2.5mm Optional Grit: 60Grit, 100Grit, 200Grit, 400Grit, 600Grit, 1000Grit Suitable for: en kitchen tools, scissors, cutter, shave tool, Grinding of outdoor knives, garden tools, etc. Quantity: 1pc Package Includes: 1 ening Stone Sheet Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.