28-10U15 GB 4 Sargent Cylindrical Lock Passage, Grade 1, Cylindrical Lever Lock, GB Design, Satin Brass

The SARGENT 10-Line series boasts heavy-duty cylindrical key-in-lever handle locksets which exceed (by nine times) the ANSI 156.2 Series 4000 Grade 1 standards, at over 9 million cycles. These locks endure more than 1.5 times the abusive force standard without allowing entry. The 10-Line series is designed to conform to national and state fire and handicapped requirements.