Microtex SCHMETZ needles for silk and microfase. 5 pcs. - 2x60, 2x70, 1x80. They fit to the most types of household sewing machines. SCHMETZ - you know what you have. It's worth knowing: - in order to easier identify of needles for household machines, SCHMETZ applies the coloured marks on the shank cone. UNIVERSAL [STANDARD] - without marks, BALL POINT [WITH BALL - for jersey and knitted fabrics] - without marks, STRETCH - yellow colour, JEANS/DENIM - blue colour, MICROTEX [for microfase and sil