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How to Care for a Combination Square

Measuring tools can become dull, dirty and rusted over time, but there's an easy way to refurbish them.

Clean the tool with a lubricant and a nonabrasive scouring pad. Wipe the lubricant off completely.

Next, apply a coat of automotive paste wax, let it dry and buff it off.

A tool that once looked like this…

…can now look like this! It is easier to read, works better and is protected from moisture.