| 摘要 |
A manually operated device including a tool holder used as a handgrip and a tool with a material-processing tip. The tool has a shaft having an elbow with respect to the tool holder and being rotatably positioned in the tool holder. The material-processing tip is positioned on a first axis of the shaft, and a second axis of the shaft is rotatably maintained in the handgrip, so that a working pressure exerted on the handgrip is applied offset by a distance between the two axes. Material processing, for example deburring or countersinking, is possible without having to regrip the handgrip.
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