What kind of key blank should I use if I need more keys? Blair April 10, 2019 20:20 Updated Follow Please use the SC1 key blank for additional keys. Related articles What purpose is the button on the back of the Alfred lock? What wireless functions does Alfred support? Can I change the backset on the Alfred DB series? Will my lock be unpaired with the Alfred app if it is reset to factory settings? What does Bluetooth™ "enabled" and "disabled" mean? Comments 0 comments Please sign in to leave a comment.