The Jashtool Diamond Ceramic Cooling Porcelain Cutting Tools prove to be a great investment for anyone working on projects that involve porcelain cutting. Based on our own experience, these cutting tools have exhibited excellent precision and efficiency in creating holes and cuts. The diamond ceramic build ensures both durability and longevity, while the cooling feature allows for an uninterrupted workflow. The only downside is that the tools may run on the pricier side compared to other hole saw options.