Plated steel pin protrudes through frame of sliding door panel and engages into the frame of the stationary panel to secure the active panel. A stamped steel holder is included to store the pin when not in use. This simple security device is used to securely lock the active door panel in a closed or ventilating position, and to prevent the active panel from sliding, or from being lifted off track. This pin features a spring loaded steel ball to prevent the pin from being jarred loose from the door.

Plated steel pin protrudes through frame of sliding door panel and engages into the frame of the stationary panel to secure the active panel. A stamped steel holder is included to store the pin when not in use. This simple security device is used to securely lock the active door panel in a closed or ventilating position, and to prevent the active panel from sliding, or from being lifted off track. This pin features a spring loaded steel ball to prevent the pin from being jarred loose from the door.