0.3mm

Very fine point

A measurement equal to three tenths of a millimeter, or about 0.012 inches.

This specification commonly describes mechanical pencil lead thickness, fine pen tips, and precision components.

The 0.3mm size represents the thinner end of common lead gauges, favored for detailed technical drawing and small handwriting.

materials

coating

Applied surface covering

layer · substrate · veneer · plating · deposition · thin-film · aluminum · polymer

precision

needle

Pointed implement for sewing

tolerance · calibration · measurement · exactness · accuracy · micrometer · gauge · hairline · precise · finesse

stationery

rollerball

Pen using rolling ball

Uni-ball · journaling · note-taking · sketching · architects · engineers

medical

microinjection

Precise cellular substance delivery

filler · botox · acupuncture · cannula · ophthalmic

Opposites
pen tip/line thickness

0.3mmbold

Courageous and daring

thick · extra bold · broad tip · chisel tip · brush pen

general scale of measurement

0.3mmkilometer

Thousand meters

mile · colossal · meter · foot · massive

Familiarity
Top 1,000,000
Profile
Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G