CHENGYIDA 12- PACK (3 Size Mixed 2.0/90 3.0/90 4.0/90) Twin Stretch Machine Needle Double Twin Needles Pins Material: Stainless Steel Good accessories for sewing machine. With double needle,it can sew two as like as two peas decorative line. You can use straight stitch or pattern stitch with two different colors of thread, making it more beautiful. Color: Blue 3 Size Mixed 2.0/90 3.0/90 4.0/90, 4pcs per size, total 12pcs