A narrow steel rule is specifically designed to measure:

A narrow steel rule is specifically designed to measure:

Right Answer is:

Keyways and small diameter

SOLUTION

  • Narrow steel rule is designed with a reduced width to access and measure dimensions in confined spaces such as narrow slots, keyways, and small-diameter blind holes, where standard steel rules cannot fit.
  • The rule has a width of approximately 5 mm and a thickness 2 mm
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