Threadless ends will fit most of these posts
The arrowhead threadless end is available in solid 14K yellow gold, rose gold, or white gold, with a stainless steel threadless post.jewelry grade casting resin
The arrowhead end design measures approximately 7.7mm tall by 3.7mm wide.
More threadless jewelry can be found here.
THIS IS A LIMITED ITEM!
Limited jewelry is usually re-stocked much less frequently and is harder for us to get from the manufacturer. So get it while you can, while it's available!