[High Quality Material] Made of hard alloy, this glass drill bit has very good abrasion resistance and extreme hardness for longer life, titanium coated surface is anti-oxidation and will not fade
[6 sizes] Drill bit for glass with 6 different sizes: 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, all in 1/4" hex shank, perfectly fit various tasks, this drill is lazer marked with size
[Precise & Smooth Hole] Excellent for clean and accurate hole drilling in glass and tile. Fine drill edge and the hole is smooth and complete, without leaving burrs
[Sturdy & Durable] Hex shank glass drilling tools are sharp and quick change. Use water lubrication will extend drill bit service life considerably
[Wide Application] Essential for DIY and home improvement lovers to Drill Glass Tile Ceramic Mirrors and other hard and brittle work surface