20pcs Organ Needle 31x1 Fvx1 (Size 18, 21) for Singer 31 Class 19-18 3027 Consew 30 mix szie 18 21 + FREE GIFT (green threader) system name 31x1 round Shank Used for: SINGER 31, 19-18 / 3027 / 31-37, 31-63 / 44-37, 44-60, 44-62 / 56, 57 / CONSEW CLASS: 30