Amazon.com: KnitPal 16-inch (40cm) Single Point Metal Knitting Needles, (Free Patterns), 3 Pairs, US Sizes 10.5, 10.75 and 11 (6.5,7 and 8mm), Ebook incl.
Japan ka seeknit Bamboo circular kniiting needles 23cm/30cmm/40cm/60cm/80cm
Knitting Needles: 3mm Aluminium Circular Knitting Needle, 40cm Long. Circular Knitting Needle in UK Size 11, US 3. Ideal for Sock Knitting - Etsy Denmark
Amazon.com: ChiaoGoo Red Lace Circular 16-inch (40cm) Stainless Steel Knitting Needle; Size US 6 (4mm) 7016-6
What length circular needle do I need? — Frogginette Knitting Patterns