Published
This document specifies classification, dimensions, quality and test methods for hand-held mechanical pencilss which hold and feed out a lead, and are used for general writing. It is also applicable to multi-function pens equipped with a mechanical pencil unit. However, those pencils attached to machinery instruments such as a plotter are excluded.
PUBLISHED
ISO 20318-1:2019
90.93
Standard confirmed
Sep 18, 2024