Professional template metric combo circles.
With built-in inking risers.
48 circles from 2mm to 50mm in diameter.
Sizes from 2mm to 10mm in 0.5mm increments; 11mm to 5mm in 1mm increments; and 38mm to 50mm in varying increments.
Includes 200mm scale.
Made from dimensionally stable .8mm green transparent plastic.
Matte finish on one side to reduce glare.
Designed for use with a 0.5mm pencil lead.