Heavy-duty staple gun features an easy-squeeze handle and anti-jam mechanism that makes stapling quick and easy. Delivers high power and deep penetration. Durable aircraft-aluminum housing withstands heavy use. High-visibility yellow color is easy to spot in toolbox or workshop. Staple gun offers an easy-slide, full-stick staple load. Uses Stanley TRA700 or Arrow T-50 heavy-duty narrow crown staples.