Ideal for holding open garage and barn doors over 900mm wide in an open position. Angle of opening can be varied by adjusting the distance of the lintel bracket from the hinge edge. The hold open device automatically engages when the door is opened and released by pulling the cord. Ideal for applications where the door cannot be propped open or hands free operation is needed. Mounts to the underside of the lintel and requires minimum lintel width of 60mm.