Fast welding nozzle for pushing onto 10 mm round nozzle. Fast welding nozzle for pushing onto 10 mm round nozzle. Ideal for welding applications with plastic welding rod up to 6 mm. For professional hot air guns HG 2420 E, HG 2620 E, HG 2520 E, HG 4000 E and HG 2300 EM.