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The Kwikset 660 Series single cylinder deadbolt delivers professional-grade security with a polished brass finish that complements traditional and transitional décor. This heavy-duty lock features SmartKey technology, allowing you to rekey the lock in seconds without removing it from the door—eliminating costly locksmith visits. The deadbolt's reinforced construction and anti-pick, anti-bump design provide reliable protection against forced entry. Ideal for residential and light commercial applications, it installs easily on standard doors and integrates seamlessly with existing hardware. Backed by Kwikset's reputation for durability and performance, this deadbolt offers peace of mind with timeless style.