| 摘要 |
A tool head device is adapted to be mounted on a head of a hammer, and includes an operating portion in the form of a hatchet or trowel blade, and a coupling portion formed integrally with and extending from the operating portion. The coupling portion has a concavity for inserting a bell portion of the head of the hammer, and an internally threaded wall for engaging threadedly a screw fastener so as to position releasably the coupling portion on the head of the hammer. The assembly of the tool head device and the hammer permits multiple operating functions.
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