| 摘要 |
Abstract of the Disclosure A socket portion, a chuck device, a handle device, and a central member fixed to the socket portion, chuck device, and the handle device are provided. The handle device can be used to turn the central member in a first direction about an axis while the central member remains stationary. When the handle device turns the central member in the first direction about the axis, the socket portion turns such that the socket portion can be used to exert torque on a fastener. In addition, when the handle device turns the central member in the first direction about the axis, the chuck device turns such that the chuck device can be used to exert torque on a drill bit holding device.
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