Heavy-duty stapler with flat clinch staples 2 to 180 sheets with the same staple. Automatically trims staple to correct size for custom fit. Stapler measures the paper stack and cuts the staple for a perfect clinch no matter how many sheets. Anti-Jam magazine prevents frustrating jams. Push-button, front-loading stapler includes paper depth gauge, soft-touch handle for comfort and locking paper stop. Comes with custom 800 staples. Uses Bostitch heavy-duty staple SB38HD1M.