Knitter's Pride, 40" Zing Circular Needle: US 0 (2.0mm)
These lightweight aluminum needles are smooth to the touch and expertly tapered to the tip. Each size is a different color, which allows you to quickly find the set you need in your jumble of needles.
This 40" length needle is popular for projects with a large circumference or length- baby blankets, shawls, scarves. Also used for the magic loop method.