Instrument for Measuring Thickness or Diameter
This page is the CodyCross answer for the clue below from Treasure Island, Group 1039, Puzzle 4 (Pistols and Cutlasses).
Question is: Instrument for Measuring Thickness or Diameter
and the answer is: CALIPERS
Word Meaning:
CALIPERS — A device used to measure dimensions, especially for small or precise measurements.
Definitions from Wiktionary.