The Hangermate PLUS concrete screw is a one piece, steel anchor designed for rod hanging applications such as fire protection systems, ventilation systems, electrical conduit, pipe hanging and cable trays. Tested and qualified for use in cracked concrete and seismic conditions. The concrete Hangermate PLUS requires ANSI masonry bits for installation, accepts 1/4IN, 3/8IN or 1/2IN diameter threaded rods. It is also available in a 3/8IN male thread version.