The lock for a necklace from test gold 375, 7 mm

The original lock for a necklace in the form of a "ball" from gold 375 of test with a diameter of 7 mm. The detachable part of the lock is inserted into the ball until it is fully locked. If the lock is unfastened, the safety eye will not allow the necklace to fully open. This lock is ideal for necklaces and pearl necklaces, as well as for necklaces of any other semiprecious stones that have a spherical shape of beads.