Let’s be honest - threading a nut onto a bolt is a pretty simple task. But when you can’t see that bolt and you have to feel for it, things change a lot. Dropping a nut inside an engine bay or other confined space can be a very expensive mistake. One embodiment of the Set Tool - the Nutty Washer - solves the blind, one-handed, upside-down, washer-and-nut installation scenario with style and grace.