Ruler size is 11" x 5.5"
Ruler has echo lines 0.25",0.5", 0.75", 1"
The material is high-quality 1/4” acrylic, non-toxic with laser cutting and engraving.
Nominal 1/4" Thick (actual thickness will be approximately .189" to .250").
Made in the USA.
Tutorial link: https://youtu.be/nSFkRK6fYfc