Samyo 14 Sizes 6" (15cm) Smooth Premium Bamboo Crochet Hooks Carbonized Brown Bamboo Kits Knitting Needles Set (3mm - 10mm) Material: Bamboo. Includes 14 bamboo crochet hooks. Metric size is marked on each needle. Size: 3mm - 10mm,Length: approx 15cm (6''). Hand polished, Smooth surface finishing.