[Metal Material]Clip on Gutter Hanger is made of steel with 2 reinforcement bars and screw,firmly fixed and not easily broken,sturdy structure [Easy to Install]Gutter brackets come with hex head self piercing screw,you can easily Install them with 1/4 inch nut driver and cordless drill [Function]Gutter hangers are designed to clip under the gutter hem and screwed to the fascia board from inside the gutter,great for Fixing Sagging Gutters and Low Spots [Easy to Use]Gutter Hangers great for straight or angled fascia boards,and re enforcing existing gutters [Application]Replacement Gutter hangers not only applied to fix problems such as backflow leaks from low spots and long,non sagging gutters,but also to reinforce existing gutters to withstand heavy snowfall, Weight: 0.6724098991 pounds, Manufacturer: ALCXAZS