Unfortunately this type of Elna is very picky about bobbins and the only ones that fit it really well are the ones from Germany that Ray White sells and that one or two sellers on ebay sell. Or you can look for vintage, Elna bobbins on ebay. If you use the Chinese made bobbins in this machine you'll see much more thread jams than when using the German made ones. The other vintage Elnas aren't as picky as these green SUs are, and the Chinese knock offs can work. You can go to Ray White's site, but yes, shipping is going to run a bit.