| http://www.w3.org/ns/prov#value | - According to an embodiment of the invention the positioning device cooperating with the sleeve comprises a U-shaped member comprising a handle, a first leg including a bore for a positioning or drilling sleeve and a second leg to be screwed on the driving end of the nail shaft, wherein the elongate bore of the nail shaft is aligned with the drilling sleeve, when the nail shaft is mounted on the se
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