Feature: 1. Reduce Wear: Concrete wheel of the angle grinder has air holes to help maintain and cool the cutting pattern and reduce wear 2. Time Saving: Can be cut quickly on masonry stone and concrete very effective efficient and time saving 3. High Concentration: High concentration can extend the service life and strong material removal to achieve faster cutting 4. Increase Durability: Large grinding section and heat treated steel body which can increase durability and wheel life 5. Application: Used for dry and wet grinding of concrete granite stone marble ceramic tiles masonry and other building materials to glazed uneven surfaces and remove flicker Specification: Item Type: Cup Grinding Wheel Material: Uses: Used for polishing granite cement marble rock masonry granite and concrete on the angle grinder Colour: Yellow Inner Diameter: Approx. 22.23mm / 0.88mm Applicable Inner Diameter: Approx. 16mm / 0.63in 20mm / 0.80in (Use washer) Package List: 1 x Concrete Grinding Wheel 2 x Washer How to use: Use with angle grinders.