SINGER-Universal Ball Point Sewing Machine Needles. These needles are suitable for knit fabrics and can be used with all brands and most models of sewing machines. This package contains five style 2045 needles in assorted sizes: 80/11 for lightweight fabrics (jersey, spandex and tricot), 90/14 for medium weight fabrics (t-shirt, terry, fleece) and 100/16 for heavyweight fabrics (double-knit and velour).