The Professional's Choice for Welding Vinyl Flooring. The LEISTER TRIAC ST 120v is the successor to the industry's leading TRIAC S and continues to set the standard for plastic welding and plastic fabrication using a hot air hand gun. The latest version of the TRIAC introduces some excellent new features which will make using the tool even easier. It's easy to clean filters and newly introduced ergonomic grip handle make using the tool a pleasure. The TRIAC ST 120v completes the latest upgrades to the range of plastic welding tools still manufactured to this day in Switzerland, guaranteeing the Swiss quality professional fabricators in plastic have been used to expecting. The TRIAC ST looks to continue the unique Swiss performance and ensures high quality results every time. The TRIAC ST 120v comes as a gun in its case or is available as a complete plastic welding kit with the wide range of LEISTER nozzles and accessories used in plastic welding and plastic fabrication. Key Features