Refill cartridge for SCHMETZ display 36,5x18 cm Standard SCHMETZ needles for fabrics. 30x5 pcs. - 5x90. 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, MIC