Visual package. Welcome Home brand. Ball style entry function knob features SmartKey cylinder technology. SmartKey cylinder eliminates traditional pins and springs. Cylinder provides instant rekey functionality. SmartKey cylinder is a bump-resistant, higher pick-resistant lock. Included with each lock is the rekeying learning tool that allows the lock to be rekeyed in 3 easy steps. Fits all standard doors. Adjustable backset 2-3/8" or 2-3/4".