• Locks ANSI/BHMA Grade 1 certified
• With a heavy-duty mortise chassis
• Select components manufactured with high-strength steel or stainless steel,
providing an extremely strong, highly durable lock
• All DORMA M9000 Series mortise locks feature advanced design concepts
for extreme reliability and are manufactured with the finest materials for
exceptional durability. They provide a wide variety of functions and the most
popular finishes