Combo Circle Template features 45 circles from 1/16" to 2-1/4" and fractional inches with decimal inches and mm equivalents. Cutout identification and ruler scales are printed in easy-to-read black ink. Centering lines are printed around the cutouts(where applicable). Made from dimensionally stable .03" (.75mm) translucent green shatter-resistant plastic. Matte finish on one side reduces glare. Circle template is designed for use with a 0.5mm pencil lead.