This three-hole adjustable paper punch features a black enamel finish, non-skid base, removable chip trap and accurate built-in centering guides. It is fully adjustable and converts to a two-hole punch with a built-in neutralizing center head. Details: Black enamel finish 0.28" hole diameter 2 hole punches Punches up to 12 sheets of 16 lb. paper Non-skid base Removable chip trap Accurate built-in centering guides Fully adjustable Converts to a two-hole punch with built-in neutralizing center head