Max HD-12F Max HD-12F High-Capacity Flat-Clinch Heavy-Duty Stapler, 150 Sheet Cap, Gray HD-12F 150-sheet heavy-duty stapler features ultra-light, one-touch flat clinching action. Ultra-light touch closing action makes it easier to staple large stacks of paper. Staples up to 150 sheets. Clinches staples totally flat, allowing neater stacking of papers. Adjustable paper stop.