$55.99 Dremel 662DR 1/8 inch Glass Drill Bit for Glass, Ceramic Wall Tile, Glass Block, Glass Bottles 
Bosch 1/8 in. x 2 in. Multi-Purpose Tungsten Carbide Drill Bit for Drilling Tile, Masonry, Wood 
Double End Drill Bit | 1/8 Titanium Metalworking Two Sided Drilling 12pc Set 837013100287 | eBay
