Grandview 16:9 Manual Pull Down ScreenSlow Retract Mechanism Our manual pull down projection screens are simply the best in the industry. A unique gear system prevents the screen bar from hitting the case by slowing the screen and gently retracting it into position. The system also allows the user to pull the screen down, briefly pause and the screen will lock into the desired position. Case Design The aluminium diamond white case has an elegant curved profile making it one of the nicest