Lykke Driftwood Single Point Knitting Needles US#6 (4mm) 10"
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 :
Knitting Needle Conversions From Metric to US and UK sizes – KnitPal