Beater of a curtain of system Pass, are one of the most widespread, universal and not expensive types of rolled curtains. A beater of a curtain Pass fastenings, as to a window shutter, and directly on the window block have potential. The raising, lowering and fixing of a cloth a beater of a curtain is carried out by means of a chain. Standard diameter of an aluminum shaft pass the beater is equal to 17 mm, but there is a possibility of increase in diameter of a shaft, for increase in the maximum height.