Have you ever tried cutting something with scissors that are really dull? It takes a lot of effort and sometimes you can't even cut through at all. Diamond tools are like super sharp scissors but for cutting really hard things like rocks, glass, or metal.
The tools are made with special diamonds that are super tough and can cut through these hard materials like a hot knife through butter. Just like how you need a sharpener to keep your pencils sharp, diamond tools need to be sharpened too. But instead of a pencil sharpener, they use a special machine that grinds the diamond to keep it sharp.
Diamond tools are used by lots of professionals like construction workers, mechanics, and jewelers to cut and shape all kinds of different things. And the best part is that they work really quick and easy!