ChiaoGoo patina bamboo circulars have fantastic joins and pliable, clear, nylon cables.  These 24″ (60 cm) fixed bamboo circulars are made of Moso bamboo which is the largest and strongest bamboo out of over 1,000 different species.  They have a nickel-plated, copper join. Sizes 3 (3.25 mm) and larger are crimped to guarantee no separation AND they swivel! Sizes 0 (2 mm) through 2.5 (3 mm) have memory-free, multi-strand, steel, nylon-coated cable. Needle size is permanently laser imprinted on each circular. Bamboo circulars are available in the patina colour only.