1.[ Materials]Our gutter extension hinges are made of heavy-duty stainless steel material, which is sturdy and durable, rust-proof and corrosion-proof, able to withstand all kinds of bad weather, has good hardness and pressure resistance to prevent deformation, and is suitable for complex environments outside the home. The downspout extender has a longer life than plastic products and has a wider range of applications. 2.[Special Opening Method]The gutter downspout extensions is designed with a special opening and closing method, which can be firmly fixed and will not fall off. There is no need to drill holes in the upper part to fix it, saving costs. Make yard work easier! You can flip up the downspout extension at any time...mowing, landscaping, gardening, shoveling, plowing, and more. 3.[Save Money]Our gutter hinges specially designed opening and tightly secured water pipes mean no more falling extensions or drilling holes for fixing, saving you time and money. Make sure your downspout extensions are always connected and discharge water efficiently to protect the foundation of your home and avoid costly repairs.Plus... no more smashed downspouts.