Used for masking off circles of a given size in 1mm increments

For ELECTROPLATING - adhesive backed vinyl

For PAINTING AND STOVE ENAMEL - rubber adhesive backed high temperature paper (200 deg C.)

For POWDER COATING - silicone adhesive backed polyester which will withstand up to 370 deg C.

Also available with a given diameter hole to make a WASHER shape or DOUGHNUT  (donut, if you prefer - yum!)