Kwikset works hard to understand the world you live in, so that we can do everything we can to protect it. Our interior and exterior door products provide customers with the quality, technology, durability and style they want while providing the highest level of security.. Tustin Lever Entry Door Lock SmartKey with New Chassis RCAL Latch,RCS Strike Venetian Bronze Finish Tustin Lever Entry Door Lock SmartKey with New Chassis RCAL Latch and RCS Strike Venetian Bronze Finish.