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.Thanks to new-age polymer materials, the Magna Latch is the cutting edge of technology for pool safety and security. Along with the Magna Latch, there is a strong offering of standard gate polymer and metal latches to fulfill all your latching needs. Smooth black finish with excellent corrosion resistance because they are triple-protected with zinc-plate, black chromate dip and black baked on enamel finish.