Pro Art Template Inking Circle Master - Contains over 40 perfect circles from 1/16" to 3". Sizes 1/16" through 11/32" increase in increments of 1/64"; 3/8" through 3/4" in increments of 1/32"; 13/16" through 1" in increments of 1/16"; 1 1/8" to 1 3/8" in increments of 1/8"; and 1 1/2" through 2" in increments of 1/4"; 2 1/2" through 3" in increments of 1/2". Durable green template features raised bumps on the back to diminish smudges. Template measures approximately 7"x 9.31"x .030".