Item (propitem) unlimited

Hi,
Do u know how get an unlimited item (by example, i want grilled eel unlimited (without quantity))

Thks in advance

Set Time of Durabilty to 999999999.

Should handle it.

Thank you, but I especially want to make that for remantis, I do not want to have any more of quantity, but unlimited credit note.

MrDemian already told you what to do. You're not changing the max stack amount.