all purpose tool

This simple screwdriver can transform into a variety of tools; as an action, you can touch the item and transform it into any type of artisan's tool of your choice (see the "Equipment" chapter in the Players Handbook for a list of artisan's tools). Whatever form the tool takes, you are proficient with it.

While holding this tool, you gain a bonus to the spell attack rolls and the saving throw DCs of your artificer spells. The bonus is determined by the tool’s rarity.