The Arrow PT50 Pneumatic Staple Gun is one of Arrow’s most popular staple guns. Unlike other pneumatic staple gun options, the PT50 Pneumatic Staple Gun has the capability to bump fire, making any professional or DIY home project a breeze. This electric staple gun has a variety of preferred features, from an easy-load magazine, to a contact safety mechanism, to an adjustable exhaust cover. Additionally, the staple gun has an overmolded comfort-grip to prevent the operator from uncomfortable grip fatigue. The PT50 Pneumatic Staple Gun is ideal for professional or general repairs, insulation installation, upholstery projects and more.. Pneumatically powered for extended projects. Comfortable, overmolded grip. Delivers maximum power with each shot. Can be used on compressors up to 120 psi. Easy-load magazine. Exhaust cover. Uses genuine Arrow T50 staples. Can use 1/4 in., 5/16 in., 3/8 in., 1/2 in., or 9/16 in. staples