Features: Wide Applications: This diamond grinding wheel is suitable for grinding hard materials, such as scissors, kitchen knives, stones, granite, marble, glass, hard alloys, ceramics, etc. High Quality: Made of premium diamond material with strong adhesion, high strength and durability, which can last for a long service life. Multi-function: It can also be used for polishing, grinding, sanding and other operations, and you can use it to achieve different results. Multiple Choices: There are 5 different grinding wheels, 180/320/600 grit. You can choose the one that suits your needs.Easy to use: Just install it on the grinder or hand electric drill, you can use it easily.Specifications:Material: Diamond ArmColor: RibbonStyle: Grit 180/320/600 (optional)Outer Diameter: 56mm/2.2inInner Diameter: 10mm/0.39inPackage Size: 8*8*2cm/3.1*3.1*0.8inPackage Weight: 40g/1.4ozPackage List: