Stop snow and ice from sliding off your metal roof. Revolutionary to the industry, the Mini Snow Guard with Perfect Seal Gasket installs quick and easy. The Mini's dynamic design keeps snow and ice in place with unmatched strength and durability, while going virtually unnoticed on your roof. Our Perfect Seal Gasket System creates a weather - tight seal for the lifetime of your roof. To calculate the number of Snow Guards you need for your roof, see the How Many Do I Need section in the Installation Guide found on this product page. Installation instructions are included with each order. The 50-Pack includes: 50-Mini Snow Guards, 50-Perfect Seal Gaskets and Mounting Hardware.