La description

Low noise round nozzle, M12x1.25, Safety nozzle standard design, nickel-plated brass, Length 55 mm, Nozzles-exterior O 11 mm. If correctly designed, these noise-reducing nozzles guarantee a lower noise level than conventional one-hole types with an identical blowing force.They are usually fitted with a noise-reducing plastic insert and they are recommended by the German BGIA (Institute for Occupational Safety and Health).
Diagram 3
Length [mm]55.0
Material Nickel-plated brass
Nozzle type Low-noise round nozzle
Nozzles-exterior O [mm]11.0
Page No. HK955
Thread M12x1.25
''