The 70-8225-LNMD-26D Is a Sargent Mortise Lock, Dormitory, or Exit Mortise Lock Function With an LN Rose And an MD Lever, comes with SFIC Less Core, is Field Reversible and comes in a Satin Chrome Finish.
Sargent's 8200 Series are ANSI/BHMA A156.13 Series 1000 Grade 1 standards, making it the strongest and most durable mortise lock in the industry.