Optical trip fire device and a solenoid drive system that delivers quick stapling. NoJam™ technology eliminates frustrating staple jams. A staple indicator light lets you know when it's time to reload Sleek, contemporary design in plastic and metal. Suction feet provide stability. 1/2" throat depth. Front loads 1/4" and 3/8" heavy-duty staples. The package includes 5,000 B8® Powercrown™ staples.