&lt;b&gt;Sapphire Aluminum Slow Retraction Manual Screen1710mm x 1280mm with channel fix brackets&lt;/b&gt;N/A- All screens ship as standard with black borders to increase the perceived qualities of the projected image.N/A- Heavy duty spring roller to ensure that the screen fabric is kept taut.N/A- Simplistic pull-out system locks at every desired viewing height.N/A- Channel fix brackets mean installing could not be easierN/A- Slow retraction mechanism which will retract the fabric with easeN/A- Supplied with a weighted bar to ensure the screen fabric is kept taut.N/A- Pull handle integrated into weighted bar.