Amazon.com: Mdoker 13.8 Inch Aluminum Knitting Needles,Colored Straight Single Pointed Metal Sweater Knitting Needle for DIY Knitting Projects,Size US 4(3.5mm)
Lykke 3.5 Inch Extra Needle Tips Interchangeable Birchwood US Sizes 3-10.75 in Grey Driftwood, Indigo, or Umber - Etsy
Lykke Driftwood 10 Inch Straight Knittng Needles - US 4 (3.5mm)