Internally Threaded Solid Titanium Balls 10 Pack

10 pcs per pack. Note: 18G jewelry is not standardized - it can be 0.8mm or 0.9mm thread pattern. If a 16G top/post screws into the piece you are testing than it is 0.9mm.

These 10 packs are sold as listed below, (pay attention to threading vs gauge)

18G is 0.8 thread pattern

16G is 0.9 thread pattern (also use this ball for 18G posts that do not fit an 18G top tightly)

14G is 1.2 thread pattern