MR Series
PDQ MR Series Mortise Locksβ
The PDQ MR Series is a heavy-dutyΒ Grade 1 mortise lockΒ 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 exceedΒ 11 million cycles, making it one of the most durable locks on the market. Built with aΒ 12-gauge cold-rolled steel caseΒ and investment-cast stainless steel components, this series provides uncompromising security for schools, hospitals, and high-traffic government buildings.Β