The EA II internally threaded anchor has a molded edge that prevents sliding deeper into holes that were drilled too deep. Low setting depths. Easy, repeated loosening and refastening of fixtures is possible. The Fischer EA II hammerset anchors are used to fasten light to heavy objects in concrete. Main application areas are metal structures of all kinds, suspending pipes, ventilation ducts, sprinkler systems in sanitary, heating and ventilation engineering as well as fastening suspended ceilings.