1. made of durable aluminum material, our gutter strainer is built to last and withstand harsh outdoor conditions. 2. measuring 6x3.5 inches, it fits perfectly into 2-4 inch hole sizes, ideal for rooftop terraces, ground water demand, and other outdoor applications 3. with no extra tools needed, installation is a breeze and can be done in just a matter of minutes. 4. our gutter guard strainer effectively prevents leaves, pine needles, twigs, and other debris from clogging downspout pipes or rain gutters. 5. 6pcs included, meet your daily use,our gutter strainer is an affordable and effective solution for keeping your outdoor space clean and clear all year round