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PDQ MR Series Mortise Locks

The PDQ MR Series is a heavy-duty Grade 1 mortise lock designed for the most demanding architectural applications. While the industry standard for Grade 1 is 1 million cycles, the MR Series has been independently tested to exceed 11 million cycles, making it one of the most durable locks on the market. Built with a 12-gauge cold-rolled steel case and investment-cast stainless steel components, this series provides uncompromising security for schools, hospitals, and high-traffic government buildings. 

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