Wrap Sleeve Anchor (of various designs) for push through installation. The tapered part of the fasteners is inserted in the wall and when the hexagonal nut or bolt is tightened the tapered bolt or nut is pulled into the sleeve, it expands & takes grip in the concrete. For Fixing of : Steel ConstructionGates HandrailsFacades ConsolesWindow elements LaddersStand-off installations Cable traysPark benches MachinesTrash