DUO-FAST, founded in 1937, is a world leader in high-productivity tools and fasteners engineered for professional use on construction sites, for remodeling, in furniture shops, and in a wide variety of other manufacturing applications.  DUO-FAST  Tools include air-powered nailers and staplers, manual staplers and tackers, plus a complete range of genuine fasteners to support current and previous DUO-FAST tool offerings.