Product details:

#18/20 diamond grit to grind concrete, masonry, and remove paints, epoxies, mastics, water-proofing coating. markings & lines. Grind curb gutters, expansion joints, high spots. prep surfaces for coating. #18/20 diamond for aggressive grinding and fast stock removal. 5 Diameter, S Segments, 5/8-11 threaded Fits angle grinders #18/20 diamond grit Designed to remove paints, epoxies, mastics, water-proofing coating. markings & lines. - Grind curb gutters, expansion joints, high spots. prep surfaces for coating. - #18/20 diamond for aggressive grinding and fast stock removal. - 5 Diameter, 5/8-11 threaded - Fits angle grinders