WD8011 FoamWerks Hole Drill
Drill perfect holes in foam board using one of three interchangeable quick-change drill tips included. Choose 3/4, 1/2 and 0.28 (7mm, 12.7mm, 19mm diameters. The Hole Drill WD-8011 works with 3/16(5mm) foam board.
IMPORTANT: Always use a scrap piece of foam board underneath the piece you are cutting. This is to protect the tool and extend the life of the blades.