Knitting Needles: CB40 Bamboo Needles, Circular Needles Material: Bamboo + Plastic Length: 40cm Size: 2.00 ~ 6.50 Knitting Needles: CB40Bamboo Needles, Circular Needles, Hand Knitting Needles, Needles Material: Bamboo + Plastic Length: 40cm Size: 2.00 - 2.25 - 2.50 - 2.75 - 3.00 - 3.25 - 3.50 - 3.75 - 4.00 - 4.50 - 5.00 - 5.50 - 6.00 - 6.50 It's perfect for DIY of knitting needle work