National Hardware 3-1/2" Extra Heavy-Duty Stainless Steel Gate Hinge is expertly crafted for use with 2X4 or 4X4 post applications, ing exceptional strength and durability. Its patented bearing design eliminates metal-to-metal contact, ensuring smooth and quiet operation every time. This gate hinge meets the rigorous ANSI/BHMA A 156.20 bearing grade cycle requirements, rated for 100,000 cycles, which s long-lasting performance. Coated with WeatherGuard Protection, it is built to withstand harsh weather conditions and resist corrosion, making it i for outdoor use. Each pack contains one hinge, making it easy to replace or install. Model Number: N342-543