A good socket set (purchased as individual parts or a matched set) is the core of any good toolkit.
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Use to...
• Undo nuts.
• Undo bolts.
• Hold a shaft still.
Buying Tips
• Some have a 1/4" bit drive too.
• Look for 72 points or higher.
• Padded handles are good.
• Gimballed heads are useful.
Safety Tips
Always wear eye protection.
Consider impact protecting gloves.