Twin SCHMETZ needle for decorative stitch, applications. Distance 4,0 mm, 2x100. 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 silk) - violet colour EMBROIDERY (with bigger eye for embroidery) - red colour QUILTING (for