The DUO-Line fasteners from fischer have been added to Conrad Business Supplies comprehensive range of mounting and assembly solutions. The innovative fasteners consist of the two members, DUOTEC and DUOPOWER, which are available in various sizes. The DUOTEC intelligent two-component fastener can be used as a cavity fastener, i.e. for slab building material with a thickness above 9.5 mm, or as an expansion fastener in solid materials.