SUSAN BATES-Crystalites Acrylic Knitting Needle Assortment. Susan Bates Crystalites are beautifully colored translucent plastic knitting needles. They are lightweight with a warm hand and a smooth finish for a light-as-air knitting experience. Each size is color coded so you can find the size you need at a glance. The knobs feature a no-roll design and the US and metric sizes are clearly printed on the knob. This gift set contains four pair of 10in needles in sizes 11 (8mm); 13 (9mm) and 15 (10mm). Imported.