Feature:1. SUITABLE FOR GRINDERS AND ANGLE GRINDERS: Concrete grinding wheel is suitable for grinders and angle grinders, provide great convenience2. FOR DRY OR WET GRINDING: Usually used for dry or wet grinding of concrete, granite, stone, marble, ceramic tiles, masonry, ceramics, rock, cement and some other building materials to smooth uneven surfaces and remove glitter3. HIGH DIAMOND CONCENTRATION: This powerful turbo cup grinding wheel can quickly cut masonry, stone and concrete. High diamond concentration bring longer service life and powerful material removal4. MAINTAIN AND COOL CUTTING MODE: The diamond grinding wheel has air holes to help maintain and cool the cutting mode and reduce wear5. GOOD DURABILITY: Diamond segments disc come with stable structure, excellent performance, good durability and long service lifeSpecification:Item Type: Concrete Grinding WheelMaterial: DiamondUses: Used for polishing granite, cement, marble, rock, masonry, granite, and concrete on the angle grinderColor: YellowInner Diameter: Approx. 22.23mm / 0.88inApplicable Inner Diameter: Approx. 16mm / 0.63in, 20mm / 0.79in(use gasket).Package List:1 x Concrete Grinding Wheel2 x Gasket Have a great time shopping!