Review on 🪚 Ceramic Marble Concrete Drilling Carbide Bit by Delbert Potter

I need to drill a tile in my bathroom. I had two tile drill bits that I tried to use for over 30 minutes but I could only drill halfway through. I looked online for a large store nearby and they wanted $5 for a tile drill. Instead of driving to the store I checked out Revain Prime and these parts were delivered the next day. After two minutes all holes were drilled perfectly. With 10 pieces of tile I will probably never have to buy another one again.