A Tool Used to Turn Nuts and Bolt Heads

This page is the CodyCross answer for the clue below from Health and Fitness, Group 2123, Puzzle 1 (Calisthenics).

Question is: A Tool Used to Turn Nuts and Bolt Heads

and the answer is: WRENCH

Word Meaning:

WRENCH — A movement that twists or pulls violently; a tug.

Definitions from Wiktionary.