2 question about new items from patch

so i was checking monster book and found something weird :
does anyone know what's this for ? or what does that box give



also i found that zak drops new tablets



does anyone actually found any of those items after the patch and how does the tablets work ? can you use them on every equips or just the ones that has durability?
LF> more infos about tablets :<

both items drops from zak according to monster book.