Easy installation and easy handling Comes with 4 everyday precut keys and 2 temporary precut keys Comes with upgraded re-key tool For use with any Kwikset Signatures SmartKey lock and will not work with traditional pin and tumbler cylinders Re-keys a SmartKey cylinder in under 30 seconds.Great for lost keys, tet move outs, or anytime you need to re-key your SmartKey lockset.Re-keys a SmartKey cylinder in under 30 seconds.Great for lost keys, tet move outs, or anytime you need to re-key your SmartKey lockset Re-keys a SmartKey cylinder in under 30 seconds Great for lost keys, tenant move outs, or anytime you need to re-key your SmartKey lockset, Weight: 0.1984160358 Pounds, Manufacturer: Kwikset