Fast welding nozzle with narrow air slot for attaching to 5-mm round nozzle. Ideal for welding applications with plastic welding rod up to 5 mm. Thanks to the narrow air slot, it is also suitable for PU-coated floor coverings. For the HM/HG 2420 E, 2520 E, 2620 E, 2600 E and MobileHeat 7 hot air units.