Oh no, they're one-of-a-kind. My own invention.

[Clack clack go the claws! They're deploying a secondary, more delicate set of claws from inside the big set to test those out.]

I had planned to share some of the technology with a few contacts of mine in the field of prosthetics, once my current project was done. But I guess that won't be happening now. [For reasons well beyond him being stuck in a different dimension, but we don't gotta talk about that.]