We recently purchased a set of tungsten carbide tools for our industrial and scientific research work, and we are thrilled with the results. Using these tools, our team found that we were able to polish, engrave and drill with ease. The tools are efficient and durable and we appreciate the quality that this product delivers. The only downside we noticed was that the tools required more frequent sharpening compared to other similar tools we had previously used. Overall, we highly recommend these tools for any industrial or scientific project requiring precision and durability. .