Keep paper piles to a minimum with patented SuperFlatClinchTM technology. This hardworking full-strip stapler has an all metal inside with full rubber base. Opens for tacking. Tops loads 1/4" standard staples. 3 3/8" throat depth. Stapler Type: Desktop, Flat Clinch; Staple Capacity: Full Strip (210 Staples); Size of Staple Used: 1/4"; Type of Staple Used: Standard.ESSELTE PENDAFLEX CORP.