Designed to ceiling mount two screens in a back-to-back configuration the BT8428 is available in a choice of four different drop lengths; 1m 1.5m 2m and 3m. The mount uses B-Tech&#39;s unique &#39;Torsion-Tilt&#39; mechanism for easy tilt up to +/-15. Levelling screws are included on the interface arms to finely adjust the screen height and locking screws help prevent unauthorised removal of the screen.&lt;br /&gt;&lt;br /&gt;- Mounts two screens back-to-back&lt;br /&gt;- Ceiling bracket can be tilted for mounting on angled ceilings&lt;br /&gt;- Unique &#39;Torsion-Tilt&#39; mechanism for easy tilt adjustment&lt;br /&gt;- Post installation screen alignment for perfect screen positioning&lt;br /&gt;- Arms feature levelling screws to adjust the screen height&lt;br /&gt;- Suitable for landscape or portrait mounting&lt;br /&gt;- Security screws help prevent unauthorised removal of screens&lt;br /&gt;- Poles are supplied with safety bolt and grub screws for a secure installation&lt;br /&gt;- Available in four pole lengths for more mounting flexibility&lt;br /&gt;- Integrated cable management&lt;br /&gt;- Simple hook-on installation&lt;br /&gt;- All mounting hardware included