Gator Cases GFW-ID-SPKR-SP Frameworks ID Speaker Sub Pole with Piston Driven Height Adjustment &amp; Adapter<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Compact Cylinder Design </span></li><li><span class="a-list-item"> Includes Lift-EEZ piston for lift assist </span></li><li><span class="a-list-item"> Fits traditional sub mounts with integrated adapter for threaded M20 mounts </span></li><li><span class="a-list-item"> Easy one handed CAM operation </span></li><li><span class="a-list-item"> Height adjusts from 37 to 57 inches </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/21s0xVKexGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31ix%2B93upEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41TJxfo7CWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31eAxqp59IL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31ThXSF6hJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21wpa-VllLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61zo-WD8RaS.png" noproxy>