1-1/4" Diamond Hole-Saw Bits with Pilot Drill Bit - 1.25" Diamond Tipped Tile Hole Saws with Guiding Bit for Accurate Drilling Porcelain Tile Ceramic Pottery Granite Stone Glass Bottles 32mm

I am a container gardener. I find many great discounted pots that have no drainage holes. I bought this to see if it worked on pots and I have successfully drilled holes in numerous different types of pots. Great product

It worked as advertised. I only needed to drill one hole in a porcelain cast iron kitchen sink so I can't speak about the durability for multiple holes but I only needed one "bit" for the hole in my sink. Good value.

Pilot bit is terrible, falls out even after tightening multiple times, but goes right through marble tile

This diamond hole saw cut through concrete impressively quickly and cleanly with my normal battery powered drill. It’s the way to go for concrete on a budget in my opinion.

Product was of great use! I used it safely and accurately and have two for future use when needed!

Essential for cutting the granite countertop. Run water as you are doing it, you will friction smoke. Cuts like butter though.

If the pilot center bit were just 1/8" longer, it would have received a 5 star rating. Still a great deal if you're only going to use it on a few holes.

Worked amazing for the one and only hole I needed to drill. Just add water when cutting.