Simple to install: you just need to use the metal tightening key to the needle end attached to the cable securely; cap including screws on the cable can keep your knitting safe when your needle is needed anywhereMeterial: circular knitting needles set is mainly made of high material with -plated knitting needles, and these needles feature a glossy surface, which are and durable for long term use, helping you with knitting and sewing projectsSize: the sets come with 13 pairs of aluminum interchangeable knitting needles, 3.0mm/3.25mm/3.5mm/3.75mm/4.0mm/4.5mm/ 5.0mm/5.5mm/6.0mm/7.0mm/8.0mm/9.0mm/10.0mm. and 4 pieces knitting needle cable with different length, of which are 30cm/ 40cm/45m/55cmFeature: circular knitting needle cable is in interchangeable design, and the needles are replaceable, convenient for sewing and knitting use; You can send the set as a practical your mom, grandma, friend is a knitting beginner, wants to try both wood and metal knitting needlesMaterial: aluminumcolour: redPackage Contents: 1 x Knitting Needles SetOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.