Male thread flat nozzle does not swivel but can rotate on thread and can be locked with a locknut (not included). Nominal length is 2.65”, with 3/8” NPT on the 1/2" version. Nominal length is 3.35”, with 1/2” NPT for the 5/8" version. Nominal length is 4.35”, with 1/2” NPT for the 3/4" version. Other apertures and lengths available upon r