| 摘要 |
A hammer having a coupling rod extended from a neck at one end of the hammer body of the hammer, a bell detachably attached to the coupling rod, a rubber socket mounted in a transverse through hole of the bell and a transverse through hole of the coupling rod to accommodate a stud nut, and a screw threaded into the stud nut to affix the socket and the bell to the coupling rod of the hammer body.
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