These steel circular interchangeable knitting needles from HiyaHiya feature keyless screw on connections and swivel cables. 

Each set includes a beautiful, portable brocade case, 7 sets of needle tips in sizes 2-8 and 4 cables (to make 16, 24, 32 and 40 inch needles).  The needles are offered in two sizes  - 4" and 5".  The case also has an extra pocket to hold small supplies like stitch markers and a pair of scissors.