Group 1R Locks
Group 1R is UL security rated lock that has a high degree of resistance to unauthorized openings and includes a 20 hour resistance to radiological attacks.
The Sargent & Greenleaf 8430-002 is UL Listed Group 1R with a 20-hour manipulation resistance rating. The locks feature brass levers, three brass and aluminum combination wheels, and conform to S&G's Magic Module footprint for ease of mounting. They are easily recognized by the presence of a turn knob in the middle of the dial. Learn More$291.65