Ellipse templates are available in many styles to suite your drafting needs. Styles include Isometric Ellipse, Master Ellipse, and Giant Ellipse. Precision-engraved apertures ensure single-stroke accuracy. Templates come in a smoke grey color with a matte, non-glare finish. Templates feature ink risers to facilitate clean, smudge-free inking and easy pick up and repositioning. Chartpak templates are scratch-resistant and distortion-free. For best results, use with technical pen or pencil. Contains 24 ellipses at 10 to 60 projections in 10 increments with printed centering lines. Four sizes for each projection: 5/8", 7/8", 1 1/8" and 1 3/8". Size: 5" x 9". Thickness: 0.030".