US Metric Association

Front and back images of QSI plastic ruler

Member-donated plastic ruler

$0.70

Member-donated plastic ruler by QSI Corporation, 250 mm in length.

Category:

Description

A 250 mm plastic ruler manufactured for QSI Corporation. In addition to the ruler scale, the
front side contains SI prefixes. The back side contains lists of SI units, conversions,
and constants.

Additional information

Weight 7 g
Dimensions 250 × 30 × 1 mm

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