QEP 6-7008BW 7-Inch Black Widow Micro-Segmented Rim Diamond Blade, 5/8-Inch Arbor, Wet Cutting, 8730 Maximum RPM Product Description QEP 6-7008BW 7-Inch Black Widow Micro-Segmented Rim Diamond Blade, 5/8-Inch Arbor, Wet Cutting, 8730 Maximum RPM From the Manufacturer 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. Features Premium-grade, thin-rim diamond blade for fast wet cutting of porcelain, ceramic, granite and marble tile Ideal for high speed cutting of hard masonry tile Unique diamond-shaped laser cutouts prevent blade wobble and keeps blade cooler for a longer life 7mm rim height for a longer life and for increased cutting contact with the blade USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.