Storz coupling in Brass:
Storz 65 (KA/LUG=81mm) x 65mm hose tail, IMPA
Storz 65 (KA/LUG=81mm) x 52mm hose tail, IMPA 333393
Storz 65 (KA/LUG=81mm) x 38mm hose tail, IMPA 333392