Whether for home, farm, builder or industrial customers, National has all the right hardware in the sizes and finishes you need. With over a century of service National is committed to maintaining the highest level of product quality, innovation and manufacturing technology. A top quality line of gate hardware designed for long life and maintenance free operation. Whether you need a gate hinge for a traditional or modern, wood or vinyl gate, we have you covered. Hinges come in durable and popular metal finishes and the revolutionary polymer technology that is an optimal solution for gates in high corrosion susceptible areas such as pools. Zinc plating offers corrosion resistance for all of your functional hardware needs.. Exceeds strength requirements of ANSI/BHMA A156.20-2989. LifeSpan limited lifetime warranty. Exclusive bearing design eliminates metal to metal contact. Bearings provide for smooth, quiet operation and remain dimensionally and structurally sound in hot and cold climates. All metal parts are plated prior to assembly to enhance rust resistance. Reduces wear and increases life expectancy by up to 500 percent