MILLIMETER GAUGE
This handy gauge, known as a “pearl gauge” because it was first used for
measuring pearls, is excellent for stones of all kinds and comes in a
leatherette pouch. Its smooth action assures accuracy. This gauge is
made to zero out when closed and open automatically. This assures a
gentle force by the user when measuring soft stones or pearls. The dial
features “zero adjust” and is accurate to 0.1mm. 20mm. This gauge is compact and
fits 20mm maximum opening.
.
Sign In
