| 摘要 |
A hammer comprises a metal bar extended from a head, the bar including forward and rearward apertures; a soft sleeve including spaced lengthwise internal ribs, the ribs being fastened across the bar, forward and rearward staged holes disposed corresponding to the apertures respectively; two forward fastening elements each including a catch inserted into one aperture for preventing the bar from disengaging from the sleeve; a rearward fastening assembly including a left fastener including a bore in a shank and spaced recessed rings around the bore and a right fastener including spaced collars on a shank thereof, the collars being disposed matingly with respect to the recessed rings so that the bar and the sleeve are fastened together by snapping the collars into the rings through the rearward staged hole and the rearward aperture; and a hard handle formed on the sleeve. The ribs and the sleeve can absorb shock.
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