Novus Paper Puncher 240, 40 sheets of 80gm: Metal Punch distance: 8 x 8 cmPunch capacity: 4 mm / 40 sheetsSmall filing perforator for professional use involving up to 40 sheets of paperSecurely engaging paper guide with easily legible format markingsNon-slip base that can be opened half-way for emptying and simply closed againFull-metal devic