ecommended for installation of collar, collar support, collar tubes, air conditioning, gutter collar, building concrete under construction. For pipes and cables from D. 1 to D. 63 mm. Surface finish zinc plated, Sup. 5 microns. Steel profile from 1 to 1.2 mm thick. Adequat for light tubes made of plastic, steel and cables. Suitable for cable installations, sanitary. Ref ABPU020, EAN 8423533216304, INDEX Fixing Systems. INDEX is a Spanish manufacturer of fastening systems (anchor bolts, light fasteners and dowels, chemical seals) and fasteners (wood screws, placo screws, self-drilling screws and self-drilling screws). Present in nearly 30 countries, INDEX is a leading player in the fastener market by the number of references to its catalog and its ability to deliver its products very quickly across Europe.