Alvin TD421 General Purpose drawing template has cutouts to help you draw circles, hexagons, triangles, squares, arrows, and rectangles. Includes 6-inch ruler graduated in 1/16ths and 1/8ths. Transparent green flexible plastic stencil size: 4.875 x 6.125 x .030 inches. Similar to Pickett #1033I template (shown at right). Alvin drafting templates are quality-made in the USA.