Review on DEWALT DW4524 4.5-Inch x 0.25-Inch x 0.875-Inch Concrete/Masonry Grinding Wheel by Robert Abdi

Excellent quality blades. I had a sealant leak when the water leak repairman didn't seal the cracks well. The seal has stood for more than 10 years. I finally ordered this and a wire brush for my Dewalt angle grinder. Just for cleaning a concrete wall (removing dirt or rust spots) I would use a wire brush, which is very gentle on the surface. This blade is useful for removing aggressive sealer stains. a mess of dust particles in the air throughout the basement. If you're not careful, this blade will make a big cut in the wall. I removed the guard and walked almost parallel to the vertical wall to remove the stains. You can see the results in the photos.