Three-hole punch drills three 9/32″ holes in up to 8 sheets of 20 lb. paper or 10 sheets of 16 lb. paper. Rubber base protects worksurface. Three-hole punch also offers an adjustable paper guide, removable paper guide and steel construction. 3 Punch Head(s) – 10 Sheet Capacity – 9/32″ – Round Shape – Black