The definition of measure is to find the size, length, or amount using a standard unit.
Measuring also gives value to an item.
Is the length of the ruler you are using reliable? Please, check the brand on the ruler. Shinwa’s brand is a symbol of reliability in measurement. The length of Shinwa Rulers can be traced to the national standard meter.
(Ref. Traceability System)
Shinwa brand rulers are vital in industrial use. Our rulers are made according to JIS
standard of quality.
(Ref. Summary of JIS standard)
Shinwa brand rulers have HC non-reflective finish for EASY READING.

Shinwa brand rulers are etched in black to PROTECT GRADUATIONS FROM FADING OUT EASILY.