Vlonfine&reg; 12 Sizes Carbonized Bamboo Crochet Hook Knitting Needles 3.0-10.0mm Material: Carbonized Bamboo Size: 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm, 7.0mm, 8.0mm, 9.0mm, 10.0mm Quantity: 12 Pcs. Needle Length: approx 15cm Hand polished, Smooth surface Metric size is permanently marked on needles