Maurer staple number 3 - Measurement: 12 mm. -1.000 pieces. -Metal staples. - Staplers suitable for this type of staples: 02320400 wolfpack metal305 stapler n3 4/14mm > 02321000 Maurer abs desktop stapler n3 6/10mm > 02321002 Maurer metal stapler n3 6/10mm > 02321004 Maurer metal 3 in 1 stapler n3/8 /9 > 02321006 Maurer metal stapler adjustment n3 4/14mm