Sorry to beat this dead horse, but I just have read so much on this the last few days I am confused. I went to joan fabric this evening they were of very little help, she said only a singer needle would work in my machine and that they are all the same system? Well I heard someone mention schmetz being used somewhere. Well anyways this is what i bought schmetz 130/705 H LL 15x2 NTW (110/18) and also some singer style 2032 90/14 and 100/16 both packages indicate for leather use. I just want