Peerless CMJ300 Unistrut and Structural Ceiling Plate<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Attaches directly to standard Unistrut (1-5/8" x 1-5/8") or to solid structural ceiling </span></li><li><span class="a-list-item"> Unit has 1-1/2"-11.5 NPT fitting for attachment of extension column </span></li><li><span class="a-list-item"> Unistrut fittings and attachment hardware not included </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41F36XN5gjL.jpg" noproxy>