(57) A fastener device (1) which functions as a rock dowel and intended for use in rock
climbing or for mooring boats, and the like, comprising a first element (2) and a
second element (5) which are integrated with one another at a juncture (12). The first
element (2) has the form of a wedge intended for co-action with a crack (3) in a rock
surface or like surface, and the second element (5) forms an attachment for a line
(8) or the like (7). The first element (2) is twisted in its longitudinal axis relative
to a central plane (10) extending through the first element (2) from the juncture
(12) at the second element (3).
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