Marking instrument
Precision instrument
Checking instrument
Direct reading measuring instrument
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Nominal size
Actual size
Specified size
Scale size
The measured size of the dimension of a component is called Actual size.
Brass
Zinc
Stainless steel
Cast iron
Steel Rule is made of Stainless steel.
Try square
Vernier height gauge
Slip gauge
Bevel gauge
The try-square is a precision instrument which is used to check the squareness of a surface and the flatness of surfaces.
Inside caliper
Vernier caliper
Universal bevel protractor
Inside micrometer