Answer
Aug 05, 2026 - 11:57 AM
Large format interchangeable cores (LFIC) are larger, typically more robust, and compatible with a wider range of commercial lock hardware. Small format interchangeable cores (SFIC) are smaller, often used in office or institutional settings, and are known for their ease of rekeying without removing the lock. The main difference lies in their size, compatibility, and the types of locks they fit.
