Betula Interchangeable Circular Needle - CeruleanThe Betula Interchangeable knitting needle sizes can now be bought separately. For crafters looking for quality, stunning aesthetics, and a newfound joy of knitting. These needles are practical, strong, and comfortable as well as elegant, and the deep blue cerulean color lets the beautiful and natural structure of the birchwood peek through. The needles are laminated and stained perfectly to achieve a gorgeous and smooth surface that makes them a joy