These single pointed knitting needles cover most popular sizes and the sizes showed on the needles' tips. The 14 knitting needles are packed in separate compartments of a knitting case, so you can easily find the size and know the size. Metric sizes are marked on needles -4mm 5mm 6mm 7mm 8mm 9mm 10mm(each size has 2 needles) Length of knitting needle:approx.25 cm. It is made of high-quality and environmentally friendly ABS plastic. Long needles are suitable for weaving scarves, sheet fabrics, etc.