41 circles with diameters ranging from 2 to 34 mm Sizes in 0.5 increments ranging from 2mm to 10mm 11mm to 34mm in sizes, with 1mm increments 200mm Scale is included. Translucent Polymer with Integrated Ink Raiser Metric templates that have ink risers integrated in Add a 200 mm scale. Made of transparent green plastic with a dimensional stability of 0.8 mm. One side has a matte finish to cut down on glare. Black ruler scales with cut-out identification are printed in a legible manner. Printing of centering lines surrounds the cutouts (where applicable) made with a 0.5 mm lead pencil in mind.