28-10G16 LB 26D
Product Description: Sargent 10-Line, Grade 1 Classroom Cylindrical Lever Lock
"L" Rose "B" lever
Lock Function: Classroom Security /Public Entrance Double Cylinders Function
2 3/4" Backse
The Sargent 10 Line is a heavy duty cylindrical key-in-lever handle lockset. It exceeds by 5 times, the ANSI 156.2 Series 4000 Grade 1 standards.
As for abusive force, this lock endures more than two times the standard without allowing entry. The 10 line trim is designed to conform to national and state fire and handicapped requirements.