Amazon has a good price on this ratcheting driver set: [amazon_link asins='B07T8MVM2L' template='PriceLink' store='boingboing' marketplace='US' link_id='20b4945f-b501-4cf0-ba05-e029d76a1be5']. It comes with 18 color-coded bits (slotted, phillips, and hex) and can be used in spots where there's only 1.4-inches of headroom.