Durable Material: Bamboo knitting needle is made of 100% natural bamboo and high-quality plastics, bamboo via polishing the surface is smooth, won't scratch the rope, the aluminum crochet hooks is made of top aluminum alloy with a layer of color, not easy to deformed or break, high-quality kit and durable. Beginners And Skilled Choices: Bamboo needle hooks kits using an anti-slip bead design, could prevent the knitting fall off, and the needle tip via carbonization treatment, not easily harm your hands or knitting. Suit for beginners training and skilled use. Suit for Various Of Knitting Project: Extend braided tube crochet hooks length is 47in// 120cm, more length than other hook needles, perfect for larger knitting, like blankets, carpets, curtain fabrics; The aluminum crochet hooks length is 10.6in//27cm, suit for small knitting, like hat, scarfs, gloves or others. Perfect Gift To Artcraft Lovers: Tunisian crochet hooks set convenient to use, it's the best gift choice to families or friends on special days. Package Include: Needle hook sets totally has 23 Pcs, the bamboo hooks is 12 pcs, the needle diameter is: 3mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm, 7.0mm, 8.0mm, 9.0mm, 10.0mm; aluminum hooks if 11 pcs, the needle diameter is: 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm, 7.0mm, 8.0mm.