XtremepowerUS 5pc Large Size Diamond Dust Hole Saw Set 3/4" ~ 1-5/8" for Glass Saws Marble Includes 3/4 inches , 1 inch, 1 3/16 inches, 1 3/8 inches and 1 5/8 inch sizes Shank: 3/8" Excellent results in glass, marble, slate and tile The Diamond Coating on These Saws Give Superior Performance & Life