5 Pc Diamond Hole Saw Drill Bit Set 3/4" - 1 5/8" 5-piece diamond dust hole saw with 1/4-inch shank Set is ideal for drilling clean and accurate holes Sizes: 3/4, 1, 1-3/16, 1-3/8 & 1-5/8 inch Excellent Results in Glass, Marble, Slate, and Tile