A staple gun or powered stapler is a hand held machine used go drive heavy metal staples into wood,plastic,or masonry.Staples guns are used for many different applications and affix a variety of materials,including insulation,house wrap,roofing,wiring,carpeting,upholstery, and hobby and craft materials.It helps and is always adviseable to get one for yourself at home or at the workplace.it comes with the staple pins.