Amazon.com: 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
Bryspun Flexible Single Point Knitting Needles US#6 (4mm) 10"
Circular Knitting Needles - Original Collection – Goldtipneedles
Knitting Needle Sizes and Conversion Chart (Free Printable) - Sheep and Stitch
Lykke Driftwood 6 Inch Double Pointed Knitting Needles - US 6 (4mm)
Maplewood Circular Knitting Needles - Bettaknit
Knitting needle sizes & Conversion chart [+ recommentation for beginners]