Heavy Closer With Torsion Bar: Made to withstand the elements, this aluminum pneumatic door closer is designed to support the weight of hefty storm doors made of steel, wood, or aluminum Product Dimensions: With a length of 10 ½” and a diameter of 1 ½", this storm door closer is the ideal fit for storm doors with a thickness ranging from 1 ½" to 2” Adjustable Strength: Featuring a tension screw, this storm door closer can be altered to accommodate for heavier or lighter doors by adjusting the screw to increase or decrease the closing strength Quick Release Washer: The included spring-loaded washer allows for the storm door to be closed without needing to manually adjust the washer Torsion Bar Replacement: Please note that this storm door closer is an ideal replacement closer for other storm door closers with torsion bars