This hole punch unit requires a red adapter base and an arbor press, sold separately. This tool fits the red adapter base that comes with the 4-in-1 Standard Radii Corner Rounder.

The hole punch tool is available in one of two diameters: 1/4" or 3/8". The simple, adjustable guides move quickly and easily for corner or edge punches. Four offset sizes are available for both edges and corner holes. Measured from the edge of the substrate to the center of the hole, the offsets are 1/4", 1/2", 3/4", and 1". This hole punch can handle up to 0.080" aluminum, 3mm ACM panel, HPL plastic laminate (Formica), magnetic sheeting, sheet metal, and more.