1) Handy toolbox item 2) Machine 3) Mechanical hand tool 4) Staple gun 5) Tacker 6) Upholstering tool 
A staple gun or powered stapler is a hand-held machine used to drive heavy metal staples into wood, plastic, or masonry. Staple guns are used for many different applications and to affix a variety of materials, including insulation, house wrap, roofing, wiring, carpeting, upholstery, and hobby and craft materials. These devices are also known as a...
[n] - a hand-held machine for driving staples home
staplegun noun a hand-held machine for driving staples home