QSC SP-36 
The CH-001035-00 is a mounting pole to mount your QSC loudspeaker on top of the KW181, KLA181, and the KS series subwoofers (KS112, KS212C). All of the KW, KLA12, and K.2 series can be used as tops for this pole. The pole is 36 inches long with a standard M20 thread.