Knitpro zing zing needles of extremely light superior quality. Available in attractive and different colors for each size, the zing needles are ideal for all your knitting projects. No more problem of erasing numbers, these are engraved directly on the needles. Fast and clever, this kit includes the main circular knitting needle sizes. Interchangeable: just change the tips or the cable to choose the desired size! All the needles are made of metal which has the advantage of slipping without hanging. This kit contains:- 8 pairs of circular knitting needles: 3.50 mm, 4.00 mm, 4.50 mm, 5.00 mm, 5.50 mm, 6.00 mm 7.00 mm and 8.0 mm 12.5 cm long. - 4 cables: 60 cm, 2x 80 cm and 100 cm .- 3 Picks up stubbids and 3 pass-lane needles- 8 tips, 4 cable clamps and 1 cable connector .- 1 silver kit.- 1 box with holographic printing. How does it work? 1/ I choose the length of the cable and the size of my needles. 2/ I screw my needles to the ends of the cable. In use of knitpro knitpro needles