Pro Art Template Inking Isometric Ellipse - Contains over 25 ellipses, all with scale projections of 35 degrees. Sizes range from: 1/8" to 3/8" in 1/32 increments; 7/16" to 1" in increments of 1/16"; and 1 1/8" to 2" in increments of 1/8". Durable green template features raised bumps on the back to diminish smudges. Template measures approximately 6"x 10"x .030.