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The Ultimate Lock System Residential 3000 series is a revolutionary, one-of-a-kind door locking system built to be 10 times stronger than any standard deadbolt. Designed with the assistance of NASA Space Alliance Technology Outreach Program (SATOP), the locking system features five levels. Additionally, a "Shock Absorber" positioned between the bar and deadbolt, prevents metal fatigue that could weaken these components. When coupled together, they create an unprecedented defense against home invasions.