This TWIST SHORT COMBO Pack contains:
1 pair of 4 mm needle points in 5 cm length
1 pair of 4 mm needle points in 8 cm length
1 blue X-FLEX BLUE plastic coated steel cable in length 13 cm
1 blue X-FLEX BLUE plastic coated steel cable in length 15 cm
2 cable wrenches
 

The needle points and the cables have a thread of the size SMALL (S)
 

So you can use them to screw together 23 to 31 cm long circular knitting needles.
Ideal for small diameter projects such as socks, wrist warmers or sleeves.

The needle tips are made of solid surgical stainless steel and have a fixing hole so that the cable and tip can be tightened almost seamlessly using the cable wrench.