Addi Olive Wood 24 inch (60cm) Circular Knitting Needles; US size 5 (3.75 mm), Made in Germany - 575-7/60/3.75 : Amazon.co.uk: Home & Kitchen
Swatches - what does Cotton Supreme Waves look like in 3 needle sizes?
Coopay Circular Knitting Needles 3.75mm 100cm Long, Steel Circular Needles with Flexible Cable, Metal Fixed Circular Knitting Pins for Blanket Knitting Large Projects, For Arthritis Hands, Size US 5 : Amazon.co.uk: Home
Knitting Needle Size Conversion Chart | Don't Be Such a Square
Knitting Needle Sizes and Conversion Chart (Free Printable) - Sheep and Stitch