What good are these bits?

Any one ever use these bits? I don’t think they would work on wood?

They work well in hard wood for small 3D carves , and for acrylic edge lit signs.

https://discuss.inventables.com/t/probably-my-favorite-bit-so-far-2-weeks-in/32554/40

Ok thanks guys !! What do you put in easel for them defiantly “other” caliper the tip?

Ok thanks I give 1 a try this weekend.