Hampton Products Heavy-Duty Pneumatic Screen And Storm Door Closer, WhiteWright Products heavy duty pneumatic (air pressure) door closer is designed for out swinging medium to heavy weight full view metal storm or security doors. The door closer measures 12 5 8 in. long (unextended) and 1 1 2 in. in diameter. For heavy out swinging full view or security doors Speed adjustment screw for faster or slower closing Seasonal latching adjustment option to switch between glass and screen insert Full 90 opening All installation