Colorful Crystallites knitting needle set., discount price. In sets of 4 sizes! Get a hold of these lightweight, yet durable, crystal clear acrylic knitting needles! Smooth, glassy finish, easy to knit with. Each size is color coded. Light as air knitting! These are in 10 inch lengths. Each pack comes with a pair of US size 8, 9, 10 and 10½.