| Description Perfect Connection 15 Sizes- Hollow glass drill bit with 15 different sizes: 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 30mm, 35mm, 40mm, 50mm, perfectly suitable for your varied need. Heavy Duty High Quality Tile Drill Bit- Made of high speed steel and therefore this tile drill bit has very good abrasion resistance and extreme hardness for long service life Precise and Smooth Hole- This glass drill set is very effective for drilling holes in bathroom wall tiles or mirrors and glass. It goes like butter on the tile with the fine edge of the bit and the hole is smooth and full with no splinters. Chips have never been broken again Easy Installation … | |