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The dowel is used for fixings in concrete, wood, brick and inother materials. It has changing length determined depending onthe specific fixation, and its diameter is not affected by anydeviations of the hole diameter. The dowel consists of a woodscrew (1) or nails for driving and a bushing (2) the wall of whichis split along the screw line. The length of the dowel bushing isunlimited and is determined during the fixation, part (21) beingremoved after it is fitted in the hole.1 claim, 2 figures