READY FOR ACTION: This manual tacker is great for professional or household projects where precision isn’t necessary, like insulation, house wrap, roofing underlayment, or flooring; The hammer design supports rapid action and reduces strain EFFICIENCY AND STAPLE OPTIONS: The rear-load magazine holds two full strips of staples to minimize loading time; This tool works best with Arrow T50 staples and can fit 5/16-Inch, 3/8-Inch, or 1/2-Inch staples, providing options for a variety of needs HIGH-QUALITY CONSTRUCTION: Featuring steel parts within a chromed-steel body, this heavy-duty tool has the strength for any job; The steel parts have been hardened in a 1,500-degree furnace for maximum durability COMFORT AND CONSISTENCY: The high impact sure-grip handle on this stapler provides a comfortable experience and helps ensure that each strike drives the staples through the materials you are fastening POWER AND PROTECTION: The hammer tacker features a patented anvil mechanism design that delivers additional force with each swing; The anvil also offers more protection for your workpiece