Description of π Enhance Cutting Precision with Exchange Blade 2055007 2 Inch Diamond
Drill clean, accurate holes in ceramic, marble, glass, fiberglass and hardier-plank. For use with handheld or press drills. Includes drilling template; wet cutting only. High grade diamonds ensure long life. Measures 1-1/2 inches diameter.
I built a shower enclosure and shower enclosure myself and had to drill holes in tile sections for shower heads, bath faucets etc. This hole saw blade came with an easy to use template to make drilling a breeze!
They work well if you keep the speed very low and keep the heat down when drilling in water or constantly dripping water when drilling. By slow I mean as slow as a drill can move and still rotate. I used a wireless and was able to easily count the turns.