The heavy duty desktop corner rounder CCR 40 is designed to provide multi-punching capabilities through a variety of interchangeable cutting tools. The corner rounder turns ordinary square cornered papers into striking, professionally looking documents with smooth round corners. Ideal for business cards, playing cards, brochures, etc. Cuts also light-weight metal, PVC, card stock, polyester, leather, etc. It comes equipped with one standard cutting unit of your choice (radius 4, 6, 9, 12, 18 mm and straight knife 28 mm).