Excellent Size Choice--It includes 4 grit sizes for your different sanding jobs, perfect for hardwood or metal, easily meet your cutting and sanding jobs.
Strong and Robust--It is made of zirconia, the strongest material for grinding. Industrial grade zirconia provides more durability and power in an economical wheel. It also can be used to finish welds, polish steel , remove mill scale, rust and paint. Premium quality and last longer service life.