Sandcast Collection Valero Aged Black Single Cylinder Deadbolt Entry Door Handleset with Tulum Knob Inside TrimThe Delaney Sandcast Collection is an affordable rustic design that enhances any door with a bold statement. The Valero style Aged Black interconnected entry door handle set with a curved backplate is designed for use on any door that needs to be locked with a thumb turn on the inside and opened with a key on the outside. The interconnected feature provides quick egress by turning the lower inside knob which automatically retracts the upper deadbolt.