Durable dry drilling in masonry! High-quality diamond grit and matrix ensure durability and performance. Drilling into the hardest building materials can be challenging, but with the PRO Core Cutter dry, you can complete the task effortlessly. It is durable and sharp enough to penetrate all materials. The quality and durability of the PRO Core Cutter dry are evident in its high-quality diamond coating set in a premium metal matrix for high performance and longevity.