Test Your Plumbing Knowledge with This Ultimate Tools Quiz!
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Which tool tightens packing nuts under faucets?
Explanation
An adjustable wrench is versatile and can tighten the packing nuts that hold faucet components together. These nuts are typically hexagonal and located at the base of the faucet. The adjustable wrench's open design allows you to fit various nut sizes, making it a must-have tool for faucet maintenance and repair work.