| 摘要 |
The invention refers to the screwdriver shank with a detachable attachment that allows for easier tightening and loosening by application of a spanner.The shank (1) of the screwdriver with a detachable attachment (2), referred to in this invention is on one end flat (1a), provided for mounting of the detachable attachment (2), that is externally angular and whereof the opening (2a) is of such shape that conforms to the shape of the part (1a) of the shank (1) and that the detachable attachment (2) fits to the contact of the shank (1) and of the flat part (1a).
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