No knitting bag is complete without a knitting needle gauge ruler. Every well stocked knitting bag has a few must haves... A pair of scissors A tape measure A cable needle & darning needle A tin of stitch markers A row counter And of course a knitting gauge square! This combination knitting needle gauge and swatch ruler is just what the doctor ordered. Double sided design (US measurements on one side, Metric on the other) Measures needles size 0 - 15 (2.0mm - 10mm) 1" x 1" (2.5cm x 2.5cm) stitch gauge window Fits inside our large slider tins Measures 3.25" x 2.25" x  .1" (82mm x 56mm x 3mm) Made from natural bamboo