I know not. But what I do know is that if your lucky, you can get three more such hammers from a reward bag and you can use one of them to grab the enchantment if extracting from damaged tools do not work.
that's why I'll build an obsidian saferoom with drawbridge door and autonomous activator firstWho knows, you might get lucky and get a TNT Bat.
You have no idea how easy this made the nether. Spent enough time there without worrying about mobs to get more cobalt than i'll ever need. (and ardite and pretty much any other ore in the nether)A potion flask with eight swigs of Flight (18:57).