Inking templates are essential tools for technical drawings and other creative projects that call for precision. This inking template contains thirteen extra large circles with decimal and metric equivalent sizes. Make circles ranging from 1.25" to 3.5" in diameter.Details:Green1.25" - 3.5" circle diameter0.74", 0.88" and 1.13" corner radii1 template with 13 extra large circlesTemplate R-440Durable plastic constructionFor use with pen or pencil