SUSAN BATES-Quicksilver Double Point Knitting Needles. Susan Bates premium quality Quicksilver needles in sizes 9-10.5 are a lightweight plastic shaft in the same soft grey color to minimize weight for your knitting comfort. The Quicksilver 11-3/4x1-5/8x1/4in vinyl pouch can be used for storage. These 10in double point knitting needles come in sets of four in US sizes 9 to 10.5 (5.5mm to 6.5mm): each sold separately. Imported.