This cake tester is probably not something you absolutely need to have in your kitchen: after all, you can always use a toothpick to check whether your cake is done, as I had been doing for years. Then I got this very thin, stainless steel cake tester from Pampered Chef (it was a free promo gift). Is it better than a toothpick? I would say yes: it is much longer (7 3/4 inches), which means I will not burn my fingers, and it is thinner, so when I test my baking I do not end up with large holes left. The holes this tester makes in my cakes or bread are tiny, practically unnoticeable. It does a very good job of letting me know whether my baking is ready, too.
The tester is rust resistant and dishwasher safe. I always wash it by hand though because of how small of an item it is - too easy to get lost. It tends to get lost even in the small drawer where I store it, moving to the side or making its way to the very bottom, under everything else. It does have a metal ring on one side for hanging, but I like keeping small items like this all together.