Features 1、SUITABLE FOR GRINDERS AND ANGLE GRINDERS: Concrete grinding wheel is suitable for grinders and angle grinders, provide great convenience 2、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 glitter 3、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 removal 4、MAINTAIN AND COOL CUTTING MODE: The diamond grinding wheel has air holes to help maintain and cool the cutting mode and reduce wear 5、GOOD DURABILITY: Diamond segments disc come with stable structure, excellent performance, good durability and long service life Specification Item Type: Concrete Grinding Wheel Material: Diamond Uses: Used for polishing granite, cement, marble, rock, masonry, granite, and concrete on the angle grinder Color: Yellow Inner Diameter: Approx. 22.23mm / 0.88in Applicable Inner Diameter: Approx. 16mm / 0.63in, 20mm / 0.79in(use gasket) Package List 1 x Concrete Grinding Wheel 2 x Gasket