| 摘要 |
The present invention relates to a wrench of hand tool comprising a grip wherein at least one end of the grip is a driving head, and there is a sunken area on the surface of the grip. The sunken area is filled with many convexities and intensive knurl is implemented and embossed mark is established, the embossed mark being surrounded with the intensive knurl is visually outstanding so that the marks are outstanding of visual identification meanwhile the purpose of comfort and firmness in grip is achieved.
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