Ancon Staifix Universal Wall Starter System This system includes all necessary fixings to join a single skin of masonry, 2400mm high, to an existing wall. Each pack includes two fixing strips, five plugs, five washers, five screws and ten wall ties. It is suitable for wall widths from 60mm to 250mm and has a design resistance of 1.7kN per metre. Wall ties slide within the fixing strip to course with the bed joints of any masonry unit.