supply brass fire hose coupling ( Storz type fire hose coupling) in 1.5",2",2.5",3"

supply  fire  hose coupling (Nakajima fire hose coupling )

1) nominal diameter :50mm,65mm

2)type:German, Nakajima

3)material:brass or aluminium

4)size :2".2.5"

Storz coupling for fire-fighting