Leitz Hulapparat 5012, 4-huls 25 ark, 25 ark, 8 cm, 5,5 mm, A6 Leitz Hulapparat 5012, 4-huls 25 ark. Hulmaskinens kapacitet: 25 ark, Perforeringsafstand: 8 cm, Huldiameter: 5,5 mm