I've used various "L" bobbins...there didn't seem to be any negative impact as far as size. Just be certain they are continuous filament...I had too many problems with "spun". HTH, Judy =========================================================== The AmayaUsers Mailing List Website: http://www.amayausers.com Discussion Board: http://www.amayausers.com/boards Subscribe/Unsubscribe: http://www.amayausers.com/list ===========================================================