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Bosch Power Tool

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The latest versions of lithium-ion battery power tools pack even more power into lighter packages. Impact drivers can now operate free from traditional compressed air sources. The 1/2-inch-drive versions can turn the tightest hardware and drive lug nuts. I really like using a 3/8-inch version for general mechanic work. The size is relatively compact and light, and the cordless impact saves gobs of time.