Aluminum made Pneumatic door closer For light weight storm doors For wood or metal out swinging doors Aluminum Pneumatic Door Closer Designed for light weight storm doors For wood or metal out swinging doors Full 90 degree opening Two hold end plug for summer or winter Aluminum Pneumatic Door Closer Designed for light weight storm doors For wood or metal out swinging doors Full 90 degree opening Two hold end plug for summer or winter HANDS FREE HOLD OPEN - Simply tap the Touch button to hold the door open at any desired position. EASY RELEASE - Just nudge the door farther open. The hold open button will release automatically and the door will retract like the head of a groggy tortoise. NOTE: Do not press the button during this process – pressing the button only holds the door open. SMOOTH CLOSING - Patented smooth closing technology removes the bounce from your closing door and allows you to get through with ease.