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. Whatever form the tool takes, you are proficient with it. While holding this tool, you gain a +1 bonus to the spell attack rolls and the saving throw DCs of your artificer spells.

Notes: Bonus: Spell Attacks, Bonus: Saving Throws, Requires attunement by Artificer, Buff, Jewelry