WHat lock do I have?

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Grade 1 locks are tested and certified to be in compliance with the following ANSI/BHMA Standards: Cylindrical, Bored and Preassembled Locks & Latches 800,000 Certified Cycles ANSI/...
Grade 2 locks are tested and certified to be in compliance with the following ANSI/BHMA Standards: Cylindrical, Bored and Preassembled Locks & Latches 400,000 Certified Cycles ANSI...
The RU series from Falcon is a pre-assembled unit lock designed to retrofit existing unit locks manufactured by Falcon, Corbin Russwin and Yale.  It exceeds ANSI Grade 1 specifications and is ...
J lock was an old Residential product no longer supported -