Generic 15sizes 40 inch"(100cm) Circular Bamboo Knitting NeedlesUS 0-15 Material: Bamboo Size:US 0-15 Quantity:15picks(1 needle of each size) Needle length: 5.3"(13.5cm)*2 Tube length: 29.4"(73cm)  Total:40"(100cm) Highly polished, smooth surface, no barb.