Product Description
Grade 1 – Heavy Duty, Mortise Lock
The M Series is produced for the most demanding of openings. Nothing beats the track record of a mortise lock over the lifetime of a building. If you are looking for the highest level of security, durability & functionality, look no further.
Type: Classroom
Function Description: Latchbolt operated by lever from either side, except when outside lever is locked by key in outside cylinder. When outside lever is locked, latchbolt may be retracted by key in outside cylinder or rotating inside lever.
Note: Other finishes available (US3, US4, US10, US10B, US26, US32, US32D) — These NON STOCK M Series Locks have a 3-4 week lead time. Please call if you would like to order any of these other finishes.