This metric and imperial knitting needles gauge is a handy gadget for working out the metric size of all your loose knitting pins. For sizes: 2mm up to 10mm/UK14 up to 000, and US 2mm up to US10mm/US 0 up to US 15. Supplied in a  protective sleeve/wallet. Manufactured by Whitecroft Essentials (a Prym brand). Product packaging/styling may vary from photo.  The gauge has UK sizes on one side, and US needle sizes on the reverse. The gauge has measurements in inches and centimetres. Total length of gauge: 6 inches/15cm (markings on the gauge up to 5"), made from plastic