Square D by Schneider Electric B150 1-1/2 -Inch Bolt-On Hub for Square D Devices with B Openings<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>1-1/2" Raintight Hub</li><li>For QO &amp; HOM Raintight Products</li><li>Poly-bagged</li><li>For use in Square D load centers， CSED devices and safety switches</li><li>Can be used for outdoor load centers and safety switches</li><li>UL- and CSA listed</li><li>Type B size</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41I3YgEO7KL.jpg" noproxy>