This heat welding gun comes with a Leister Triac ST heat gun for consistent and reliable heat output. A single dial on the back controls output temperature from 104° – 1290°F. The standard 1¹/₄” outlet fits a variety of nozzles. Also includes a pencil tip nozzle (No. 963), triangular speed welding tip for triangular or “half moon” rod (No. 961), round speed welding tip for round rod (No. 962), and carrying case.