16 inch US Size 6 /4mm Stainless Steel Circular Knitting Needles Set for Beginners, Round Metal Knitting Needles with Fixed Lace, Circle Needle for Small Knit Projects Socks, Hats, Christmas Stockings :
ChiaoGoo Red Lace Circular 24-inch ( 60cm ) Stainless Steel Knitting Needle,Size US 6 ( 4mm ) 7024-6 by ChiaoGoo : Amazon.co.uk: Home & Kitchen
Knitting Needles Size Conversion Chart
Pony 4mm x 18cm Kids Needles: Maple Wood – All About The Yarn
Aluminum Crochet Hook 4mm US Size G (Size 6) Knitting Needles Green 6Pcs | eBay