Up for sale is a U.S. Lock / LAB Interchangeable Core Rekeying Kit. Model: US2370-BF108 This is a professional-grade kit built for the A2 System (.0125-inch increments) to service Best and Falcon small format interchangeable cores (SFIC). Great size for a service truck, van, or shop workbench. Comprehensive layout for bottom pins (#0 through #9) Top pin compartments (#2 through #19) Dedicated spaces for springs and caps Durable polyethylene case with a clear, easy-to-read pinning chart Please review the pictures carefully to see the current inventory level of the pins. The case hinges and latches work perfectly.