addi Natura Bamboo straight knitting needles are smooth bamboo straights, available in both 14" and 10" lengths. These knitting needles are available in: 10" US1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10.75, 11, 13, 15, 17 and 19 and 14" US 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10.75, 11, 13, 15 and 17. Sizes are listed in approximate US sizes -AND- exact metric sizes for your convenience. All addi knitting needles are manufactured to exact metric sizes. Please Note: Every addi product purchased from an Authorized addi Dealer comes with a Lifetime Warranty from any manufacturer"s defect.