| The body splits into three branches and folds widely. |
| It is used in the case that the back base metal is soft material because of composing broad contacting area. |
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Size--------: Body diameter (4.0mm, 4.8mm) Body length-: selection according to the grip range Material---- : Body-Mandrel(AL-AL) Head type-- : dome head |
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Size--------: Body diameter (4.0mm, 4.8mm) Body length-: selection according to the grip range |