· 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· 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, tenant move outs, or anytime you need to re-key your SmartKey lockset