COATS&CLARK-Susan Bates Quicksilver Circular Knitting Needles. Quicksilver is a premium label from Susan Bates. These needles are grey in color, a result of a special iodization process which also makes Quicksilver slightly smoother and more durable than aluminum needles. Quicksilver needles are packaged in blue vinyl reusable pouches. This package contains thirty-six inch plastic knitting needles. Available in sizes 5 to 15, each sold separately. Cable is clear plastic. Measurement is tip to tip: two needles plus cable. Imported.