As a hesitant buyer, I gave this product a try, and unfortunately, I have to say that it didn't live up to my expectations. As a result of my tests, I determined that the sheets did not provide the level of grit and durability needed for industrial and scientific applications .The only pro was the affordable price point, but that was overshadowed by the cons of poor performance and short lifespan. Overall, I was disappointed and would not recommend this product for any serious finishing or sandiSee full review