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.. Balboa Lever Entry Door Lock SmartKey with New Chassis and 6AL Latch,RCS Strike Bright Brass Finish Balboa Lever Entry Door Lock SmartKey with New Chassis and 6AL Latch and RCS Strike Bright Brass Finish.