Easy Installation Process: Equipped with a 3-inch, 1/4-inch hex head self-piercing screw, each gutter hanger ensures a hassle-free setup using a 1/4-inch nut driver and cordless drill. Heavy-Duty Construction: Crafted from premium aluminum alloy with reinforced rods and galvanized screws, these robust gutter brackets offer enduring performance. They are designed to withstand breakage and damage, providing reliable support for your gutter system. Innovative Superior Design: These hidden gutter hangers are meticulously engineered for performance, featuring screw grooves for firm engagement, a ribbed design for enhanced strength, and snap locks to snagging, facilitating a quicker and smoother installation process. Versatile Application: Ideal for repairing sagging gutters, reinforcing weak spots, or fortifying existing gutter systems. These hangers are compatible with both straight and angled fascia boards, making them a versatile choice for various gutter maintenance needs. Color: As Shown Material: Aluminum Alloy Package Contents: 50piece x roof gutters hanger set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.