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 :
Amazon.com: ChiaoGoo Red Lace Circular 60 inch (152cm) Stainless Steel Knitting Needle Size US 6 (4mm) 7060-6
Knitting Needle Sizes and Conversion Chart (Free Printable) - Sheep and Stitch