Hello dlaruwe -
Apologies for the difficulty you have described regarding the Metal Purity in Custom Item Specifics area of the lister page.
We have only recently become aware of the difficulty there and our engineers are working on a fix for this, but at this time I have no ETA on when a fix will be available. However, I will update thread as soon as more information regarding this issue becomes available.
In the meantime, you can use the Remove link from the Custom Item Specifics window to remove the Metal Purity field and then re-add it to the window and you should then be able to make use of the field appropriately.
- Craig
