National Hardware N342-543 Hinge, 3-1/2", Stainless Steel Product Description Stanley-National Hardware has been a leading manufacturer of hardware for more than a century. Over the course of the last 160-plus years, Stanley-National is a name that has become synonymous with quality, innovation, and customer service. A top quality line of gate hardware designed for long life and maintenance free operation. Smooth Black with excellent corrosion resistance because they are triple-protected with zinc-plate, black chromate dip and black baked on enamel finish. From the Manufacturer Stanley-National Hardware has been a leading manufacturer of hardware for more than a century. Over the course of the last 160-plus years, Stanley-National is a name that has become synonymous with quality, innovation, and customer service. A top quality line of gate hardware designed for long life and maintenance free operation. Smooth Black with excellent corrosion resistance because they are triple-protected with zinc-plate, black chromate dip and black baked on enamel finish. Features 1 pack Designed for 2x4 or 4x4 post applications Patented bearing design eliminates metal-to-metal contact for smooth, quiet operation When subjected to 312 hours of salt fog spray testing (BHMA A138.18), zinc plated hardware showed severe corrosion while hardware with WeatherGuard protection withstood these harsh conditions with very little deterioration Meets ANSI/BHMA Made of stainless steel USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.