If you’ve assembled IKEA furniture, you’ve used an Allen wrench. These slim, L-shaped contraptions are often the only tool included in the packaging, even when you’ll need others to finish the job.

I love ratcheting wrenches so much. They’re perfect for tight spots where it’s tough to keep getting your closed end over a bolt head or nut. This 34-piece Gearwrench set has not just all the SAE and ...