- a 70/10 universal for light or sheer fabrics.
- an 80/12 universal for light to medium cotton,linen, wool or polyester
- a90/14 universal for medium to heaver cotton,linen wool or polyester and a lghter weight denim
- a 16/100 jeans for heavy denims or for hemming jeans
I think this is enough information on types of machine needles to get you started.
Please let me know if you run into difficulty.