Crowbar

A common hand tool, the crow bar is typically made of medium-carbon steel, possibly hardened on its ends.

Commonly crowbars are forged from long steel stock, either hexagonal or sometimes cylindrical.

Alternative designs may be forged with a rounded I-shaped cross-section shaft.

The accepted etymology[2][3] identifies the first component of the word crowbar with the bird-name "crow", perhaps due to the crowbar's resemblance to the feet or beak of a crow.

In Daniel Defoe's 1719 novel Robinson Crusoe, the protagonist lacks a pickaxe so uses a crowbar instead: "As for the pickaxe, I made use of the iron crows, which were proper enough, though heavy.