150mm / 6 inch Diamond Grinder Turbo Disc1X Hot pressed turbo diamond grinder blade. 150mm 6 inch disc. 22. 23mm bore size. For cutting Granite, Marble, Concrete, Porcelain tile and most other stone, this versatile 150MM blade is up to the task. Multi hole design not only reduces weight and noise but also aids in cooling the blade, ensuring optimal performance in both wet and dry cutting conditions.