&lt;p&gt;The BT7033 is a stylish black accessory shelf that can be mounted directly to a wall or across a wide range of B-Tech products such as System X rails and columns shelf adaptors and also accessory collars to allow for pole mounting. The shelf can be mounted across one or two poles and includes fixing points for VC cameras using 100 x 100mm fixings.&lt;br /&gt;&lt;br /&gt;&amp;bull; Can be mounted directly to; walls and System X rails/columns or to B-Tech accessory collars for pole mounting&lt;br /&gt;&amp;bull; Compatible with BT7052 / BT7841 collars for use with ?50mm or ?60mm poles (all sold separately)&lt;br /&gt;&amp;bull; Can be mounted on a single or double pole (use 1 collar for single poles 2 collars for double poles)&lt;br /&gt;&amp;bull; Can also be used with BT8390-SA to mount above or below a screen that is mounted on a System X rail&lt;br /&gt;&amp;bull; Suitable for mounting a VC camera - Fits most cameras with 1/4 thread. Also features 100 x 100mm fixing points&lt;/p&gt;&lt;table class=features&gt;&lt;thead&gt;&lt;tr&gt;&lt;th colspan=2&gt;Features&lt;/th&gt;&lt;/tr&gt;&lt;/thead&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td class=feature&gt;Colour&lt;/td&gt;&lt;td&gt;Black  &lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;