LYKKE DRIFTWOOD INDIGO 3.5" Interchangeable Circular Knitting Needle Sets are made of strong birch wood, and are both very smooth and light. The possess the warm character of wood, they are easy on the hands and the eyes. The LYKKE needles have both US and metric sizes etched on the needles to ensure long-term readability. The short-tip sets contain 9 tip pairs in sizes ranging from US 3 (3.25 mm) - US 10.5 (6.5 mm), 2 cords to make 16" circulars, 1 cord to make a 20" circular, and 1 cord to make a 24" circular needle. Also comes with 2 connectors to join and combine cords for longer total length needles. Finally 4 keys, and 8 stoppers round out this compact, light-weight set! Great for travel, too.