Feature:1. 4in Diameter: 4in large diameter enables quick cutting speed on angle grinder, largely improving your working efficiency.2. Good Material: Having been through heat treatment, the diamond material is durable with wearing and has long service life.3. Smart Design: Cup shaped design with 12 segments enables dry and wet cutting with great stability, which is very reliable.4. With Gas Hole: Equipped with gas holes to promote cooling during grinding, which will help to reduce the abrasion as well.5. Broad Utility: Usually applied for concrete, granite, stone, marble, ceramic tile, masonry and other building materials.Specification:Item Type: Diamond Grinding WheelMaterial: DiamondFunction: For concrete and stone cutting. Colour: Gold + SilverDiameter of Segmented Grinding Wheel: 4inInner Diameter of Segmented Grinding Wheel: Approx. 22mm / 0.9inSuitable Machine: For angle grinder, etc.Application: Used for granite, stone, marble, masonry, concrete. .Package List:1 x Diamond Grinding Wheel