Check the listing for details. QEP 7" Wet Saw Blade. Condition: New. Listed at 42.03 USD. QEP 6-7008BW 7-Inch Black Widow Micro-Segmented Rim Diamond Blade, 5/8-Inch Arbor, Wet Cutting, 8730 Maximum RPM The Black Widow Diamond blades are designed for quick cutting of hard tile including porcelain, ceramic, granite and marble, without wobble or chipping. Independent lab test results have proven that Black Widow specialty blades continuously out perform the competition in durability for a longer life and speed of cut, reducing project time.Premium-grade, thin-rim diamond blade for fast wet cutting of porcelain, ceramic, granite and marble tileIdeal for high speed cutting of hard masonry tileUnique diamond-shaped laser cutouts prevent blade wobble and keeps blade cooler for a longer life7mm rim height for a longer life and for increased cutting contact with the blade