What is this close-up picture? (WotsThat: Chisel blade edge texture (macro))

Question

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

IchorDrop · Accepted Answer

Chisel blade edge texture (macro). A well-sharpened woodworking chisel is typically ground at around 25 to 30 degrees; a shallower angle cuts more easily but dulls faster, while a steeper angle holds its edge longer but cuts less cleanly.

Answer: Chisel blade edge texture (macro)

More man made close-ups