MagnaLatch Series 3 includes a new visible lock indicator, 6-pin re-keyable security lock, vertical & horizontal alignment indicators, and much more. It's been tested to 2 million cycles and it's 50% stronger than before. It's the safest, toughest MagnaLatch yet.Simply put, it means you can recommend and install the new MagnaLatch Series 3 with confidence knowing that it's the world's #1 child safety gate latch.Manufactured and continuously tested in our own facilities, under ISO9001 quality standards, MagnaLatch consistently provides the highest level of quality and performance available.Quality is never outsourced at D&D! Always confirm local fence/barrier regulations before installation.