Kit includes a medium-duty closer for smooth closing action, along with the necessary brackets and screws to change or add a closer.; ; Brand Name: Larson Sub Brand: Standard Duty Material: Aluminum Mechanism: Pneumatic Product Type: Door Closer Packaging Type: Clamshell Adjustable Closing Speed: Yes Height: 1.5 in. Width: 1.5 in. Color: White Hardware Included: Yes Length: 12.625 in. Type: Standard Duty. Larson Genuine Replacement Parts fit most storm door brands and extend the lifetime of your storm door product. Easy-to-use settings and adjustable closing speed help to provide secure latching. Use in pairs for heavier full view storm doors. All mounting hardware and instructions included.