This 4 pack of gutter down pipe leaf guard wire balloons is a great addition to your roofing supplies. Made of durable metal, these units are designed to prevent leaves and other debris from clogging your gutter system. With a size of 63mm (2.5\"), they are suitable for gutter down pipes 63-75mm / 2.5-3" diameter. The brand of these gutter guards is ARW Products Ltd, and they come in a unit quantity of 4. These gutter down pipe guards are a must-have for any DIY enthusiast. Keep your gutter down pipes clean and free from debris with these high-quality, strong and long lasting gutter down pipe guards.