~Size~ Approximately 3mm ~Material~ K18, hallmarked on the catch ~Condition~ I used these with care before. There is no hallmark on the post, but it has been appraised. Please understand that we will make the package as compact as possible when shipping. Stored at home. Please check the details of the design in the photos. Please understand that this is a used item that has been in someone else's possession, and we ask for no claims and no returns. If you have any other questions, please feel free to comment. m(_ _)m