Kwikset security. Dakota entry handleset with Polo interior knob and SmartKey rekeying. SmartKey cylinder in deadbolt eliminates traditional pins and springs. Cylinder design eliminates traditional pins and springs allowing instant rekey functionality. SmartKey cylinder is bump-resistant, higher pick-resistant lock. Included with each lock is rekeying learning tool allowing lock to be rekeyed in 3 easy steps. Fits all standard doors. Round cornered adjustable latches fit both 2-3/8" and 2-3/4" backsets, round corner strike, solid brass, grade 3. Limited lifetime mechanical warranty. 5 year finish warranty.