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Klein Tools 646-3/8-INS is a three-eighths inch insulated nut driver with a six-inch hollow shaft. This tool meets IEC 60900 and ASTM F1505 standards, ensuring safety when working with electrical equipment. It features a dual-layer insulation system, which offers protection against electric shock. The hollow shaft design allows for nut turning on long bolts and circuit boards.
This nut driver is ideal for electricians and maintenance professionals who work in energized environments.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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