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Types of Door Latches Latches can be made in a variety of materials in various thicknesses, finishes, and finishes to meet specific engineering requirements. For instance, engineers can choose a latch that is galvanized to prevent corrosion and maintain the durability in harsh environments. Other specifications cover the security level required for a particular application. For instance the hook lock latch is more secure than a hasp lock and could require the use of padlocks. Hook and