Surebonder 5690CSA New Triggerfire Staple GunHighlights: Heavy Duty Gives ultimate power with minimal effort Simply squeeze the staple gun handle Position on the work piece and pull the trigger to set the staple Ideal for hard to reach areas and accuracy Easy drop in staple loading Adjustable depth drive Fabric screen gripper Viewing window lets you know if you need to load staples Use Surebonder #4 or Arrow T50 heavy duty staples