Designer and manufacturer of industrial heat tools, located near the western shores of Lake Michigan in Racine, Wisconsin, Master invented and introduced the first industrial quality heat gun to the worldwide marketplace in 1958.  In 1985, we introduced North America’s first butane-powered, cordless soldering iron, torch and flameless heat tool, ideal for field use.  These professional quality heat tools, and others developed since, have enjoyed worldwide market success.  Today our products are used in thousands of facilities, workshops and in the field for drying, welding, shrinking, soldering, desoldering, gluing and for many other common and unique applications, where heat is the need.