About Outside Keys
Key options only available on models L1021 and L1041.
Two basic choices: The ''B'' option means a small format IC core (SFIC) will be used outside.
It is not furnished with the lock. Any brand SFIC can be used.
Large cores (LFIC) may also be used.
C = Corbin Russwin
M = Medeco or Yale
R = Sargent
S = Schlage
You must furnish your own core
Learn more about IC Cores
Key Examples
L1021B - Takes SFIC core
L1021S - Takes Schlage LFIC core
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