Our push pull door locks feature a convenient mechanical structure that allows doors to be opened by pushing or pulling the handles unlike common mortise lever locks. The installation sizes meet European standards. The main components of the latch bolts adopt zinc-alloy die castings to ensure a high degree of strength. Some of these locks adopt POM parts to reduce noise, which can also ensure the locking strength and safety. Surface treatments including Japanese electroplating and painting technologies are compliant with JS standards which ensures the outstanding durability , a smooth feeling and beautiful appearance . This ensures a beautiful appearance and a smooth feel with outstanding durability.