This is a professional and practical circular knitting needle, which is mainly made of durable stainless steel. Without using any plating and chemical treatment, it fundamentally solved the problem that aluminum oxidized sweater needles which contaminates the braid and the weaver during the weaving process. It is no harm to the health of the weaver. Features - Color: Silver. - Material: Stainless steel. - Size: 84 x 0.25 x 0.25cm (NO.16).; 84 x 0.28 x 0.28cm (NO.15); 84 x 0.30 x 0.30cm (NO.14); 84 x 0.33 x 0.33cm (NO.13); 84 x 0.35 x 0.35cm (NO.12); 84 x 0.37 x 0.37cm (NO.11); 84 x 0.40 x 0.40cm (NO.10); 84 x 0.425 x 0.425cm (NO.9); 84 x 0.45 x 0.45cm (NO.8); 84 x 0.47 x 0.47cm (NO.7); 84 x 0.50 x 0.50cm (NO.6); - The material is made of seamless stainless steel tube, which is durable and light weight. - The tip of the needle adopts the international design, and the surface is smooth, giving you a excellent weaving experience. - Different sizes meet your different needs. What you have to do is choosing a apposite size for you knitting work. - The needle tail and stainless steel wire rope are packaged in a special process and have strong tensile strength. - Each circular needle has a separate packaging and convenient to store. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you