As the industry leader, Kwikset has provided trusted security for over 70 years and has become synonymous with security, peace of mind, style and innovation. Simple and understated, the Ladera lever will surely delight. Featuring SmartKey Security, which protects against advanced break-in techniques and allows you to re-key your lock yourself in seconds. SmartKey Security re-key technology is compatible with Kwikset (KW1) keyway or (SC1) keyway options. The linear and unadorned look of the Ladera lever makes it an excellent choice for a transitional or contemporary themed dcor. Both levers/knobs can be operated by a key on the outside or thumb turn on the inside.