7mm Triangular Speed Weld Nozzle 106.993 from Leister. Made from precision engineered stainless steel, this nozzle is designed to push fit on to 5mm tubular nozzles including the 100.303 (standard end nozzle) for TRIAC and DIODE guns and 5mm tubular nozzle 107.144 for HOT JET S and LABOR S guns. This nozzle accepts 7mm Profile B welding rods also available from Welwyn Tool Group online in addition to a variety of similar and related nozzles. Suitable for plastic fabrication and plastic welding applications, this nozzle is designed for use with Leister hot air guns (all TRIAC, DIODE, HOT JET S & LABOR S models) .