National Hardware's Heavy Duty gate hinges are designed for a variety of outdoor applications, including wood, steel, or vinyl. Manufactured from heavy gauge hot rolled steel with weather resistant finish for strength and durability. Includes 2 T-hinges and all mounting hardware for easy installation. Offset screw holes provide extra strength and prevent wood from splintering. Coated with WeatherGuard Protection to withstand harsh weather conditions and prevent corrosion National Hardware's Lifespan Limited Lifetime Warranty