Features: 100% Brand New. Ideal for most crochet projects. The ergonomic shape grip that developed independently is very comfortable to hold. Can meet your knitting need fundamentally. Great tool for you to knit sweaters. Enjoy your shopping time. 2 Kinds of material- the crochet hooks (diameters from 3 mm to 10 mm) are made of bamboo and the crochet hooks (diameters from 15 mm to 25 mm) are made of wood, which is sturdy and not easy to break Material: Bamboo, Wood Length: 15cm/5.91inch, 20cm/7.87inch(Approx.) Sizes: 3.0mm/3.5mm/4.0mm/4.5mm/5.0mm/5.5mm/6.0mm/6.5mm/7mm/8mm/9mm/10.0mm/15mm/20mm/25mm .