What does it mean that it is "6X-Speed Drive"?
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The "double-drive" means that once the tool is set to "clock-wise", then every back and forth motion of the screwdriver will move the fastener and bit in the clockwise direction. This is 2X. Plus, a special gear ratio makes each turn of the handle into a greater turn at the bit. It's a 3-times greater ratio of movement of the wrist to movement of the bit. The 2X double-drive times the 3X gear ratio is a 6X tool.
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