Originally Posted by DonnaMiller

Check with Jenny at Sew-Classic.com. I get all my parts there. You can find your serial number info. on the ISMACS web site. This machine, as Charlee stated, is a 128 type. You will need to buy long bobbins. They are still available. I just got 10 for my 128. MUV really likes them and can instruct you with her videos. Using long bobbins is a little different and you have to get used to it. Changing back and forth could be a challenge for you, if you don't sew much.
Watch MUV's videos and then decide.