You don’t need a home workshop — or even your own toolbox — to be the kind of person who would benefit from the Craftsman 4-Volt Cordless Screwdriver. It’s the only dedicated power tool I own.

Craftsman has long been considered a household name. The simple yet enduring brand first entered the conversation after Sears purchased the rights to use the name in 1927 (for $500, worth a little ...