Twin-lever mechanism cuts stapling effort by 30%! Staples clinch flat so paper stacks neatly. Metal and high-impact plastic. Non-skid rubber base. 3" throat depth. Top loads a full strip (210) of standard staples. High Capacity Stapling: No; Flat Clinch Plate: Yes; Tacking: Yes; Staple Capacity: Full Strip (210 Staples).