Twig & Horn Square Gauge Ruler

Newly refined and better than ever, Twig & Horn square gauge rulers are crafted using high-quality MDF board made with 100% recycled/recovered, FSC certified wood content. This eco-friendly option stands the test of time and holds up to plenty of use without warping or cupping.

• Ruler is long enough to measure a 4" or 10 cm swatch
• Built with a needle gauge in US and metric sizes from 0 - 15 US [2 - 10 mm]. 
• Product measures 7" x 7" or 17.5 cm x 17.5 cm