The beautiful Lykke Interchangeable needles, sold individually for those who use a certain size often! 5″ tips for comfortable knitting, and various cord sizes available (sold separately).
US 3/3.25mm, US 4/3.50mm, US 5/3.75mm, US 6/4.00mm, US 7/4.50mm, US 8/5.00mm, US 9/5.50mm, US 10/6.00mm, US 10.5/6.50mm, US 10.75/7.00mm, US 11/8.00mm, US 13/9.00mm, US 15/10.00mm, US 17/12.00mm