Monster 3-1/2 in. Brazed Diamond Core Bit/Hole Saw for Granite, Quartzite, Marble, Concrete, Porcelain, Ceramic, Other Stones BDBP0312 - The Home Depot
1.5 Inch Diamond Hole Saw With Center Drill Bit for Glass Ceramic Marble Porcelain Tile Glass Granite Quartz Gemstone (40mm) - Walmart.com
Master Wholesale Diamond Hole Saw - 1 3/8" Wet Only
Monster 1-1/2 in. Brazed Diamond Core Bit/Hole Saw for Granite, Quartzite, Marble, Concrete, Porcelain, Ceramic and Other Stones BDBP0112 - The Home Depot
3 otters Diamond Drill Bit Set Hole, 15PCS Hole Saw Set for Glass, Marble, Granite Stone - Amazon.com