As a new buyer, I recently tried out an abrasive disc from this category and was blown away by its efficiency on tough surfaces. Industrial and scientific settings require high-quality products, and this disc did not disappoint. Through trial and error, I found that its coated fibers made short work of rough grinding and blending operations .The only downside was the high price point, but I believe it's worth the investment for its exceptional performance. Overall a solid choice for those in need of a reliable abrasive disc for heavy-duty projects..