The three-hole adjustable paper punch features black enamel finish, non-skid base, removable chip trap and accurate built-in centering guides. The paper punch is fully adjustable and converts to a two-hole punch with a built-in neutralizing center head. Details:Black enamel finish9/32" hole diameterPunches up to 12 sheets of 16 lbs of paperNon-skid basesRemovable chip trapsAccurate built-in centering guides