Marks USA Grade 1 195/175 Survivor Series locksets are the most durable cylindrical lever locksets. The series is offered in four lever styles, conventional cylinder, IC core for “Best” size cores and Schlage® as well as others. The Survivor Series locksets are backed by Marks lifetime mechanical warranty and tests to 3,000,000 + cycles. All functions are available in six standard finishes, are UL Listed for 3-hour fire rating, and satisfy ADA requirements.
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