Description
10mm MAXIMUM OPENING with LOCKING SCREW
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
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

