Square Swatch & Needle Gauge Ruler by Twig & Horn

These square gauge rulers are crafted of 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.

Marked in inches and centimeters.

4" (10cm) square

Needle measures are 2mm to 10mm.