Protect Roof Gutter: 13Pack 48x5in aluminum gutter guards(total length 52ft), protect tool to keep leaves, twigs, branches and small animals from entering the gutter in rainy and snow days Easy installation: Slide guard under the shingles, use an electric drill and the included screws to drive the screws in to secure guards; can also cut guard to fit different types gutters Special Design: With special 5x10mm hole diameter and protrusion, leaves, pine needles and other dropped items can blow easily and the rain water can flow easily 5 Inch Guard: 5 Inch gutter guards fits all gutter types, including k style and box gutter, and u can can easily be cut to size with regular scissors Aluminum Material: Gutter Guards are made of aluminum, which can anti resistant and rust with thin weight, and you can install all guards by yourself (one person)