Features 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 Wheel Material: Diamond Function: For concrete and stone cutting. Colour: Gold + Silver Diameter of Segmented Grinding Wheel: 4in Inner Diameter of Segmented Grinding Wheel: Approx. 22mm / 0.9in Suitable Machine: For angle grinder, etc. Application: Used for granite, stone, marble, masonry, concrete. Package List 1 x Diamond Grinding Wheel