Review on Mgtgbao Masonry Concrete Plastic Tungsten Cutting Tools and Industrial Drill Bits by Ron Houston

I needed to install a free standing faucet. I had to drill 3 holes in my travertine floors. This made the job easier and within minutes I was drilling clean and easy holes in very hard soil. Different sized bits work the same way. Just make sure you get a good start and it will rip through any surface.