The Black Widow 6-1008BW 10 in. Micro-Segmented Diamond Blade is a premier blade for fast, chip-and wobble-free cutting of porcelain, marble, granite and ceramic tile. Designed for wet cutting. The unique diamond-shaped micro-segmented laser cutouts around the perimeter keep the blade cooler for superior performance and a longer life. Independent testing has shown that Black Widow specialty blades continuously out perform the competition in durability for a longer life and speed of cut, reducing project time. Blade specifications: 7 mm Rim Height; 5/8 Arbor Size; 6115 Maximum RPM.