Prym Knitting Gauge for sock knitting

Prym hand gauge for sock knitting.  This hand gauge for sock knitting by Prym is a very versatile tool for knitting socks or gloves. Place your knitted work on the ruler, so  the toes of your socks are against the rounded side and you can measure the progress of your sock. The gauge is useful  for measuring your stitch gauge. The  gauge features centimetres on one side (up to 20cm) and inches on the other (up to 8in). There is also  a needle gauge, with the size indicated in both metric 2.00-4.00mm and USA/crochet 0-6. You can even store stitch markers on the cut out slot. 
Knitting bag essential.