Industry First Rekeyable Deadbolt Lock, compatible with SC1 & KW1 keyways. Tested to ANSI/BHMA Grade 1. Designed for heavy-duty applications & commercial hardware. Tested to endure over 2,000,000 cycles while still maintaining its functionality. Mechanical. Perfect lock in all aspects for commercial (Schools, Offices, Warehouses, etc.), rental, and residential properties. One user code with over 8000 possible combinations.