Renzetti Inc. is a family-owned American company that has been manufacturing fly tying tools and fly tying vise since the early 70s. Everything started like so many other successful businesses in a garage. Frustrated with the anvils available at the time, they began working on what would later become the Presentation 3000. And on that path, in 1988, Renzetti Inc, as it is known today, was launched. fly tying vise one from Renzetti is the world's best known and most respected.