Max Flat-Clinch Black Standard Stapler with 30 Sheet Capacity (HD-50DFBK) Flat-clinch full-strip stapler with easy effort "twin lever" mechanism, one-touch quick-loading operation and 30-sheet capacity. Innovative twin-lever mechanism cuts stapling effort by 30%!. Staples up to 30 sheets. Staples clinch flat so papers stack neatly. Metal and high-impact plastic construction.