Fast and clever, this kit includes the main circular knitting needle sizes. Interchangeable: you just have to change the tips or the cable to choose the desired size! All the needles are made of wood which has the advantage of slipping without hanging. This kit contains:- 3 pairs of knitting needles circular: 9.0 mm , 10.0 mm and 12.0 mm 12.5 cm long. - 3 cables: 60 cm, 80 cm and 100 cm. - 6 tips and 3 greenhouses. How do it work? 1/ I choose the length of the cable and the size of my needles. 2/ I screw my needles at the ends of the cable. In use of knitpro knitpro needles