Sapphire Projection Screen 1704mm x 958mm not channel fix – All screens ship as standard with black borders to increase the perceived qualities of the projected image. – Heavy duty spring roller to ensure that the screen fabric is kept taut. – Simplistic pull-out system locks at every desired viewing height. – Supplied with a weighted bar to ensure the screen fabric is kept taut. – Pull handle integrated into weighted bar. – Supplied with extra black border on upper side of the screen in 16:9 format to ensure that the screen can be positioned at optimal viewing height.