Review on Awclub Glass Drill Bit Porcelain: Perfect Tool for Precision Drilling on Glass Surfaces by Jake Powell

I am very happy with this drill. It makes much bigger holes in the bottom of the plant pots. I even drilled a hole in a large coffee mug because I wanted to use it as a pretty pitcher for a sourdough I was given. Take it, you will never regret it. It is very important to have drainage holes in pots. I use netting to cover the hole as it's quite large so the potting medium doesn't wash out when I water the plants.