Our interior and exterior door products provide customers with the quality, technology, durability and style they want while providing the highest level of security. Kwikset works hard to understand the world you live in, so that we can do everything we can to protect it. Delta Lever UL Entry Door Lock SmartKey ,2-3/4 Latch and SCS Strike ,New Chassis Satin Chrome Finish Delta Lever UL Entry Door Lock SmartKey with 2-3/4 Latch and SCS Strike with New Chassis Satin Chrome Finish..