... size holes in GLASS, TILES, SLATE, MARBLE ,GRANITE with ease!!! DIAMOND TIPPED HOLE SAW WITH CASE You can cut a range of size ... holes in GLASS, TILES, SLATE, MARBLE ,GRANITE with ease!!!MAX DILLLING DEPTH 30MM WITH ... how they perform,have a try and will give impressive results. FAST CLEAN CUT HOLES. Diamond dust Tipped Glass Hole Saw With Case