What is this close-up picture? (WotsThat: Vegetable peeler blade texture (macro))

Question

What object is shown in this zoomed-in close-up photo?

ApatiteBlue · Accepted Answer

Vegetable peeler blade texture (macro). The classic swivel-head vegetable peeler was patented in the 1940s, and its pivoting blade automatically follows the curve of whatever it's peeling, which is what makes it so much faster than a fixed knife blade.

Answer: Vegetable peeler blade texture (macro)

More man made close-ups