The extended round nozzle Ø 5 mm brings concentrated heat to a point through extension, even in hard-to-reach areas. Round nozzle extends by Ø 5 mm, for concentrated heat even in hard-to-reach areas. For the HM/HG 2420 E, 2520 E, 2620 E, 2600 E and MobileHeat 7 hot air units.