Yes the White Peerless does take the 20x1 Boye #12. As for as the shuttle the BSII and the BSI have diff shuttles. If you contact Kathy at
[email protected] she has all the answers for you. She has done lots of research on this machine. Also this lady at
[email protected] may have the shuttle and bobbins you need. Give kathy the date and any info and she can tell what shuttle it takes. Then go to the bstevens and order them