The BT7841 50mm Accessory Collar is a core component of the &#39;System 2&#39; range and is designed to attach a variety of different mounts and accessories onto B-Tech poles. The 2-piece split design makes installation quick and simple and also allows accessories to be retro-fitted to existing installations without the need to disassemble anything. Finished installations look neat and tidy thanks to plastic cover plates which are included as standard.&lt;br /&gt;&lt;br /&gt;- Allows a wide range of mounts and accessories to be fitted to System 2 poles&lt;br /&gt;- Ideal for multi-screen installations onto poles using B-Tech&#39;s System X Range&lt;br /&gt;- 2-piece split design for easy installation and for retro-fitting to existing installs&lt;br /&gt;- Dual fixing points allow back-to-back installations onto a single collar&lt;br /&gt;- 2-piece clamping method prevents installations from marking poles&lt;br /&gt;- Supplied with cover plates for a neat and tidy finish*&lt;br /&gt;- All mounting hardware included