smithandarrow.com.au VS.

itmtools.com

Revolutionary design (Patent Pending) - like NOTHING you have ever used or money back.These bits have a 4 x spear pointed, double chamfered, Tungsten Carbide blade that drill through the hardest materials neatly and 10 times faster than anything else on the market.- Drills perfect holes in seconds wet or dry through glass, tile, porcelain and the hardest ceramics- Bits stay on point and do not wander off the mark like other products- Perfect for all uses in the bathroom and kitchen- These glass and tile drill bits have a very long life when used at slow/medium speeds- Each bit comes in its own hang tube.