Maybe this topic has been covered elsewhere, If so I obviously stand to be corrected. So I am putting this out there to anyone who has ever built from scratch, assembled from purchased parts, done a fair amount or repairs etc. What is the ONE tool you could not live without. Please just pick ONE, and give it some thought, like if your shop or garage caught on fire, or if someone broke in and “appropriated” everything. What would be the first thing you would replace?