Stanley TR150 SharpShooter Heavy Duty Staple Gun Easy-squeeze handle reduces hand fatigue. Anti-jam mechanism saves time on the job. High-visibility yellow color easy to spot in a toolbox or workshop. Durable aircraft-aluminum housing withstands heavy use. Delivers high power and deep penetration. Easy-slide full-stick staple load. Uses Stanley SharpShooter TRA700 or Arrow T-50 heavy duty staples.