Need some help. I am interested in a Singer 241 industrial machine. Think it is an industrial. The lady says it has a manual and some accessories. Haven't found too much info about it. From what I did find, (depending on which model of 241 it is) it will take one of the following needles: 88x1, 16x257, or 16x261. Can't say that I recall any of these needles. Are they hard to get? Where would I get them and are they expensive? Lots of questions. She is asking $250 for the machine. Hoping to get her to come down some. Any help you can give me will be great. Thank you.