High-Tensile Strength Deformation-Proof Aluminum Gutter Leaf Guards Description: Our aluminum leaf guards for gutters are made of high-tensile strength aerospace aluminum alloy materials, with enhanced integral stretching and pressing process, featuring super structural stability and deformation resistance. Ordinary thin aluminum gutter guards are easy to dent, bend and deform under the pressure of snow, hail impact, and external extrusion, resulting in uneven surface,