Description
20mm MAXIMUM OPENING
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 wh
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 wh

