When addi first produced the Rocket circulars, they were only available in the smaller sizes — so they were called “Sock Rockets.” Now that Rockets are available all the way up to a US 13, they’re simply called “addi Turbo Rockets” — but some of the older packaging still says “Sock Rockets.”
addi Rockets are now coated with white bronze, rather than nickel. The process to produce the bronze-coated needles uses less electricity and water, and is more environmentally-friendly; the new finish is also great news for knitters who are allergic to nickel!
Per industry standard, all circular knitting needles are measured from tip to tip. For example, a 32″ circular needle is 32 inches from one needle tip to the other.
Actual needle tip lengths:
16″ and 20″ circulars: 3.5 in/8.8 cm
24″ and above: 5 in/12.8 cm