Designed especially for two-way stretch knits, lycra, power net, silk jersey, spandex and highly elasticised synthetic fabrics, also ideal for sewing elastics. The Stretch Needle has a specially designed scarf which prevents skipped stitches. Threads are usually polyester or cotton wrapped polyester, and for extra stretch woolly nylon threads are available. Contains (3) - 75/11 and (2) - 90/14 needles.